165471080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 384350400

約数和(自身を除く): 218879320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 163, 164, 205, 326, 328, 410, 619, 652, 815, 820, 1238, 1304, 1630, 1640, 2476, 3095, 3260, 4952, 6190, 6520, 6683, 12380, 13366, 24760, 25379, 26732, 33415, 50758, 53464, 66830, 100897, 101516, 126895, 133660, 201794, 203032, 253790, 267320, 403588, 504485, 507580, 807176, 1008970, 1015160, 2017940, 4035880, 4136777, 8273554, 16547108, 20683885, 33094216, 41367770, 82735540, 165471080]

約数ペア:

[(1, 165471080), (2, 82735540), (4, 41367770), (5, 33094216), (8, 20683885), (10, 16547108), (20, 8273554), (40, 4136777), (41, 4035880), (82, 2017940), (163, 1015160), (164, 1008970), (205, 807176), (326, 507580), (328, 504485), (410, 403588), (619, 267320), (652, 253790), (815, 203032), (820, 201794), (1238, 133660), (1304, 126895), (1630, 101516), (1640, 100897), (2476, 66830), (3095, 53464), (3260, 50758), (4952, 33415), (6190, 26732), (6520, 25379), (6683, 24760), (12380, 13366)]