39970736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 88223520

約数和(自身を除く): 48252784

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 43, 52, 82, 86, 104, 109, 164, 172, 208, 218, 328, 344, 436, 533, 559, 656, 688, 872, 1066, 1118, 1417, 1744, 1763, 2132, 2236, 2834, 3526, 4264, 4469, 4472, 4687, 5668, 7052, 8528, 8938, 8944, 9374, 11336, 14104, 17876, 18748, 22672, 22919, 28208, 35752, 37496, 45838, 58097, 60931, 71504, 74992, 91676, 116194, 121862, 183352, 192167, 232388, 243724, 366704, 384334, 464776, 487448, 768668, 929552, 974896, 1537336, 2498171, 3074672, 4996342, 9992684, 19985368, 39970736]

約数ペア:

[(1, 39970736), (2, 19985368), (4, 9992684), (8, 4996342), (13, 3074672), (16, 2498171), (26, 1537336), (41, 974896), (43, 929552), (52, 768668), (82, 487448), (86, 464776), (104, 384334), (109, 366704), (164, 243724), (172, 232388), (208, 192167), (218, 183352), (328, 121862), (344, 116194), (436, 91676), (533, 74992), (559, 71504), (656, 60931), (688, 58097), (872, 45838), (1066, 37496), (1118, 35752), (1417, 28208), (1744, 22919), (1763, 22672), (2132, 18748), (2236, 17876), (2834, 14104), (3526, 11336), (4264, 9374), (4469, 8944), (4472, 8938), (4687, 8528), (5668, 7052)]