16423640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 38568960

約数和(自身を除く): 22145320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 127, 212, 244, 254, 265, 305, 424, 488, 508, 530, 610, 635, 1016, 1060, 1220, 1270, 2120, 2440, 2540, 3233, 5080, 6466, 6731, 7747, 12932, 13462, 15494, 16165, 25864, 26924, 30988, 32330, 33655, 38735, 53848, 61976, 64660, 67310, 77470, 129320, 134620, 154940, 269240, 309880, 410591, 821182, 1642364, 2052955, 3284728, 4105910, 8211820, 16423640]

約数ペア:

[(1, 16423640), (2, 8211820), (4, 4105910), (5, 3284728), (8, 2052955), (10, 1642364), (20, 821182), (40, 410591), (53, 309880), (61, 269240), (106, 154940), (122, 134620), (127, 129320), (212, 77470), (244, 67310), (254, 64660), (265, 61976), (305, 53848), (424, 38735), (488, 33655), (508, 32330), (530, 30988), (610, 26924), (635, 25864), (1016, 16165), (1060, 15494), (1220, 13462), (1270, 12932), (2120, 7747), (2440, 6731), (2540, 6466), (3233, 5080)]