39964000

素因数分解:

$2^5\times 5^3\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 100166976

約数和(自身を除く): 60202976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 103, 125, 160, 194, 200, 206, 250, 388, 400, 412, 485, 500, 515, 776, 800, 824, 970, 1000, 1030, 1552, 1648, 1940, 2000, 2060, 2425, 2575, 3104, 3296, 3880, 4000, 4120, 4850, 5150, 7760, 8240, 9700, 9991, 10300, 12125, 12875, 15520, 16480, 19400, 19982, 20600, 24250, 25750, 38800, 39964, 41200, 48500, 49955, 51500, 77600, 79928, 82400, 97000, 99910, 103000, 159856, 194000, 199820, 206000, 249775, 319712, 388000, 399640, 412000, 499550, 799280, 999100, 1248875, 1598560, 1998200, 2497750, 3996400, 4995500, 7992800, 9991000, 19982000, 39964000]

約数ペア:

[(1, 39964000), (2, 19982000), (4, 9991000), (5, 7992800), (8, 4995500), (10, 3996400), (16, 2497750), (20, 1998200), (25, 1598560), (32, 1248875), (40, 999100), (50, 799280), (80, 499550), (97, 412000), (100, 399640), (103, 388000), (125, 319712), (160, 249775), (194, 206000), (200, 199820), (206, 194000), (250, 159856), (388, 103000), (400, 99910), (412, 97000), (485, 82400), (500, 79928), (515, 77600), (776, 51500), (800, 49955), (824, 48500), (970, 41200), (1000, 39964), (1030, 38800), (1552, 25750), (1648, 24250), (1940, 20600), (2000, 19982), (2060, 19400), (2425, 16480), (2575, 15520), (3104, 12875), (3296, 12125), (3880, 10300), (4000, 9991), (4120, 9700), (4850, 8240), (5150, 7760)]