404863520

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61717}}^1$

素因数の和:61773

約数の個数: 48

約数和(自身を含む): 979834968

約数和(自身を除く): 574971448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 61717, 123434, 246868, 308585, 493736, 617170, 987472, 1234340, 1974944, 2468680, 2530397, 4937360, 5060794, 9874720, 10121588, 12651985, 20243176, 25303970, 40486352, 50607940, 80972704, 101215880, 202431760, 404863520]

約数ペア:

[(1, 404863520), (2, 202431760), (4, 101215880), (5, 80972704), (8, 50607940), (10, 40486352), (16, 25303970), (20, 20243176), (32, 12651985), (40, 10121588), (41, 9874720), (80, 5060794), (82, 4937360), (160, 2530397), (164, 2468680), (205, 1974944), (328, 1234340), (410, 987472), (656, 617170), (820, 493736), (1312, 308585), (1640, 246868), (3280, 123434), (6560, 61717)]