54575690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^2$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 109013688

約数和(自身を除く): 54437998

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 89, 106, 130, 178, 265, 445, 530, 689, 890, 1157, 1378, 2314, 3445, 4717, 5785, 6890, 7921, 9434, 11570, 15842, 23585, 39605, 47170, 61321, 79210, 102973, 122642, 205946, 306605, 419813, 514865, 613210, 839626, 1029730, 2099065, 4198130, 5457569, 10915138, 27287845, 54575690]

約数ペア:

[(1, 54575690), (2, 27287845), (5, 10915138), (10, 5457569), (13, 4198130), (26, 2099065), (53, 1029730), (65, 839626), (89, 613210), (106, 514865), (130, 419813), (178, 306605), (265, 205946), (445, 122642), (530, 102973), (689, 79210), (890, 61321), (1157, 47170), (1378, 39605), (2314, 23585), (3445, 15842), (4717, 11570), (5785, 9434), (6890, 7921)]