42400000

素因数分解:

$2^8\times 5^5\times {\mathrm{53}}^1$

素因数の和:94

約数の個数: 108

約数和(自身を含む): 107782164

約数和(自身を除く): 65382164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 125, 128, 160, 200, 212, 250, 256, 265, 320, 400, 424, 500, 530, 625, 640, 800, 848, 1000, 1060, 1250, 1280, 1325, 1600, 1696, 2000, 2120, 2500, 2650, 3125, 3200, 3392, 4000, 4240, 5000, 5300, 6250, 6400, 6625, 6784, 8000, 8480, 10000, 10600, 12500, 13250, 13568, 16000, 16960, 20000, 21200, 25000, 26500, 32000, 33125, 33920, 40000, 42400, 50000, 53000, 66250, 67840, 80000, 84800, 100000, 106000, 132500, 160000, 165625, 169600, 200000, 212000, 265000, 331250, 339200, 400000, 424000, 530000, 662500, 800000, 848000, 1060000, 1325000, 1696000, 2120000, 2650000, 4240000, 5300000, 8480000, 10600000, 21200000, 42400000]

約数ペア:

[(1, 42400000), (2, 21200000), (4, 10600000), (5, 8480000), (8, 5300000), (10, 4240000), (16, 2650000), (20, 2120000), (25, 1696000), (32, 1325000), (40, 1060000), (50, 848000), (53, 800000), (64, 662500), (80, 530000), (100, 424000), (106, 400000), (125, 339200), (128, 331250), (160, 265000), (200, 212000), (212, 200000), (250, 169600), (256, 165625), (265, 160000), (320, 132500), (400, 106000), (424, 100000), (500, 84800), (530, 80000), (625, 67840), (640, 66250), (800, 53000), (848, 50000), (1000, 42400), (1060, 40000), (1250, 33920), (1280, 33125), (1325, 32000), (1600, 26500), (1696, 25000), (2000, 21200), (2120, 20000), (2500, 16960), (2650, 16000), (3125, 13568), (3200, 13250), (3392, 12500), (4000, 10600), (4240, 10000), (5000, 8480), (5300, 8000), (6250, 6784), (6400, 6625)]