71751920

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1361}}^1$

素因数の和:2033

約数の個数: 40

約数和(自身を含む): 167199120

約数和(自身を除く): 95447200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 1361, 2636, 2722, 3295, 5272, 5444, 6590, 6805, 10544, 10888, 13180, 13610, 21776, 26360, 27220, 52720, 54440, 108880, 896899, 1793798, 3587596, 4484495, 7175192, 8968990, 14350384, 17937980, 35875960, 71751920]

約数ペア:

[(1, 71751920), (2, 35875960), (4, 17937980), (5, 14350384), (8, 8968990), (10, 7175192), (16, 4484495), (20, 3587596), (40, 1793798), (80, 896899), (659, 108880), (1318, 54440), (1361, 52720), (2636, 27220), (2722, 26360), (3295, 21776), (5272, 13610), (5444, 13180), (6590, 10888), (6805, 10544)]