72797960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44389}}^1$

素因数の和:44441

約数の個数: 32

約数和(自身を含む): 167794200

約数和(自身を除く): 94996240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 44389, 88778, 177556, 221945, 355112, 443890, 887780, 1775560, 1819949, 3639898, 7279796, 9099745, 14559592, 18199490, 36398980, 72797960]

約数ペア:

[(1, 72797960), (2, 36398980), (4, 18199490), (5, 14559592), (8, 9099745), (10, 7279796), (20, 3639898), (40, 1819949), (41, 1775560), (82, 887780), (164, 443890), (205, 355112), (328, 221945), (410, 177556), (820, 88778), (1640, 44389)]