66261680

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1531}}^1$

素因数の和:2085

約数の個数: 40

約数和(自身を含む): 154443984

約数和(自身を除く): 88182304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 1531, 2164, 2705, 3062, 4328, 5410, 6124, 7655, 8656, 10820, 12248, 15310, 21640, 24496, 30620, 43280, 61240, 122480, 828271, 1656542, 3313084, 4141355, 6626168, 8282710, 13252336, 16565420, 33130840, 66261680]

約数ペア:

[(1, 66261680), (2, 33130840), (4, 16565420), (5, 13252336), (8, 8282710), (10, 6626168), (16, 4141355), (20, 3313084), (40, 1656542), (80, 828271), (541, 122480), (1082, 61240), (1531, 43280), (2164, 30620), (2705, 24496), (3062, 21640), (4328, 15310), (5410, 12248), (6124, 10820), (7655, 8656)]