67990000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:564

約数の個数: 100

約数和(自身を含む): 177611896

約数和(自身を除く): 109621896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 523, 625, 650, 1000, 1040, 1046, 1250, 1300, 1625, 2000, 2092, 2500, 2600, 2615, 3250, 4184, 5000, 5200, 5230, 6500, 6799, 8125, 8368, 10000, 10460, 13000, 13075, 13598, 16250, 20920, 26000, 26150, 27196, 32500, 33995, 41840, 52300, 54392, 65000, 65375, 67990, 104600, 108784, 130000, 130750, 135980, 169975, 209200, 261500, 271960, 326875, 339950, 523000, 543920, 653750, 679900, 849875, 1046000, 1307500, 1359800, 1699750, 2615000, 2719600, 3399500, 4249375, 5230000, 6799000, 8498750, 13598000, 16997500, 33995000, 67990000]

約数ペア:

[(1, 67990000), (2, 33995000), (4, 16997500), (5, 13598000), (8, 8498750), (10, 6799000), (13, 5230000), (16, 4249375), (20, 3399500), (25, 2719600), (26, 2615000), (40, 1699750), (50, 1359800), (52, 1307500), (65, 1046000), (80, 849875), (100, 679900), (104, 653750), (125, 543920), (130, 523000), (200, 339950), (208, 326875), (250, 271960), (260, 261500), (325, 209200), (400, 169975), (500, 135980), (520, 130750), (523, 130000), (625, 108784), (650, 104600), (1000, 67990), (1040, 65375), (1046, 65000), (1250, 54392), (1300, 52300), (1625, 41840), (2000, 33995), (2092, 32500), (2500, 27196), (2600, 26150), (2615, 26000), (3250, 20920), (4184, 16250), (5000, 13598), (5200, 13075), (5230, 13000), (6500, 10460), (6799, 10000), (8125, 8368)]