40890740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 96280296

約数和(自身を除く): 55389556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 220, 242, 244, 277, 305, 484, 554, 605, 610, 671, 1108, 1210, 1220, 1342, 1385, 2420, 2684, 2770, 3047, 3355, 5540, 6094, 6710, 7381, 12188, 13420, 14762, 15235, 16897, 29524, 30470, 33517, 33794, 36905, 60940, 67034, 67588, 73810, 84485, 134068, 147620, 167585, 168970, 185867, 335170, 337940, 371734, 670340, 743468, 929335, 1858670, 2044537, 3717340, 4089074, 8178148, 10222685, 20445370, 40890740]

約数ペア:

[(1, 40890740), (2, 20445370), (4, 10222685), (5, 8178148), (10, 4089074), (11, 3717340), (20, 2044537), (22, 1858670), (44, 929335), (55, 743468), (61, 670340), (110, 371734), (121, 337940), (122, 335170), (220, 185867), (242, 168970), (244, 167585), (277, 147620), (305, 134068), (484, 84485), (554, 73810), (605, 67588), (610, 67034), (671, 60940), (1108, 36905), (1210, 33794), (1220, 33517), (1342, 30470), (1385, 29524), (2420, 16897), (2684, 15235), (2770, 14762), (3047, 13420), (3355, 12188), (5540, 7381), (6094, 6710)]