7992800

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 19904976

約数和(自身を除く): 11912176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 103, 160, 194, 200, 206, 388, 400, 412, 485, 515, 776, 800, 824, 970, 1030, 1552, 1648, 1940, 2060, 2425, 2575, 3104, 3296, 3880, 4120, 4850, 5150, 7760, 8240, 9700, 9991, 10300, 15520, 16480, 19400, 19982, 20600, 38800, 39964, 41200, 49955, 77600, 79928, 82400, 99910, 159856, 199820, 249775, 319712, 399640, 499550, 799280, 999100, 1598560, 1998200, 3996400, 7992800]

約数ペア:

[(1, 7992800), (2, 3996400), (4, 1998200), (5, 1598560), (8, 999100), (10, 799280), (16, 499550), (20, 399640), (25, 319712), (32, 249775), (40, 199820), (50, 159856), (80, 99910), (97, 82400), (100, 79928), (103, 77600), (160, 49955), (194, 41200), (200, 39964), (206, 38800), (388, 20600), (400, 19982), (412, 19400), (485, 16480), (515, 15520), (776, 10300), (800, 9991), (824, 9700), (970, 8240), (1030, 7760), (1552, 5150), (1648, 4850), (1940, 4120), (2060, 3880), (2425, 3296), (2575, 3104)]