104000000

素因数分解:

$2^9\times 5^6\times {\mathrm{13}}^1$

素因数の和:61

約数の個数: 140

約数和(自身を含む): 279722982

約数和(自身を除く): 175722982

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 256, 260, 320, 325, 400, 416, 500, 512, 520, 625, 640, 650, 800, 832, 1000, 1040, 1250, 1280, 1300, 1600, 1625, 1664, 2000, 2080, 2500, 2560, 2600, 3125, 3200, 3250, 3328, 4000, 4160, 5000, 5200, 6250, 6400, 6500, 6656, 8000, 8125, 8320, 10000, 10400, 12500, 12800, 13000, 15625, 16000, 16250, 16640, 20000, 20800, 25000, 26000, 31250, 32000, 32500, 33280, 40000, 40625, 41600, 50000, 52000, 62500, 64000, 65000, 80000, 81250, 83200, 100000, 104000, 125000, 130000, 160000, 162500, 166400, 200000, 203125, 208000, 250000, 260000, 320000, 325000, 400000, 406250, 416000, 500000, 520000, 650000, 800000, 812500, 832000, 1000000, 1040000, 1300000, 1600000, 1625000, 2000000, 2080000, 2600000, 3250000, 4000000, 4160000, 5200000, 6500000, 8000000, 10400000, 13000000, 20800000, 26000000, 52000000, 104000000]

約数ペア:

[(1, 104000000), (2, 52000000), (4, 26000000), (5, 20800000), (8, 13000000), (10, 10400000), (13, 8000000), (16, 6500000), (20, 5200000), (25, 4160000), (26, 4000000), (32, 3250000), (40, 2600000), (50, 2080000), (52, 2000000), (64, 1625000), (65, 1600000), (80, 1300000), (100, 1040000), (104, 1000000), (125, 832000), (128, 812500), (130, 800000), (160, 650000), (200, 520000), (208, 500000), (250, 416000), (256, 406250), (260, 400000), (320, 325000), (325, 320000), (400, 260000), (416, 250000), (500, 208000), (512, 203125), (520, 200000), (625, 166400), (640, 162500), (650, 160000), (800, 130000), (832, 125000), (1000, 104000), (1040, 100000), (1250, 83200), (1280, 81250), (1300, 80000), (1600, 65000), (1625, 64000), (1664, 62500), (2000, 52000), (2080, 50000), (2500, 41600), (2560, 40625), (2600, 40000), (3125, 33280), (3200, 32500), (3250, 32000), (3328, 31250), (4000, 26000), (4160, 25000), (5000, 20800), (5200, 20000), (6250, 16640), (6400, 16250), (6500, 16000), (6656, 15625), (8000, 13000), (8125, 12800), (8320, 12500), (10000, 10400)]