91220720

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3643}}^1$

素因数の和:3969

約数の個数: 40

約数和(自身を含む): 212824176

約数和(自身を除く): 121603456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 3643, 5008, 6260, 7286, 12520, 14572, 18215, 25040, 29144, 36430, 58288, 72860, 145720, 291440, 1140259, 2280518, 4561036, 5701295, 9122072, 11402590, 18244144, 22805180, 45610360, 91220720]

約数ペア:

[(1, 91220720), (2, 45610360), (4, 22805180), (5, 18244144), (8, 11402590), (10, 9122072), (16, 5701295), (20, 4561036), (40, 2280518), (80, 1140259), (313, 291440), (626, 145720), (1252, 72860), (1565, 58288), (2504, 36430), (3130, 29144), (3643, 25040), (5008, 18215), (6260, 14572), (7286, 12520)]