72747040

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3271}}^1$

素因数の和:3425

約数の個数: 48

約数和(自身を含む): 173154240

約数和(自身を除く): 100407200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3271, 4448, 5560, 6542, 11120, 13084, 16355, 22240, 26168, 32710, 52336, 65420, 104672, 130840, 261680, 454669, 523360, 909338, 1818676, 2273345, 3637352, 4546690, 7274704, 9093380, 14549408, 18186760, 36373520, 72747040]

約数ペア:

[(1, 72747040), (2, 36373520), (4, 18186760), (5, 14549408), (8, 9093380), (10, 7274704), (16, 4546690), (20, 3637352), (32, 2273345), (40, 1818676), (80, 909338), (139, 523360), (160, 454669), (278, 261680), (556, 130840), (695, 104672), (1112, 65420), (1390, 52336), (2224, 32710), (2780, 26168), (3271, 22240), (4448, 16355), (5560, 13084), (6542, 11120)]