27945320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 68901840

約数和(自身を除く): 40956520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 881, 1220, 1586, 1762, 2440, 3172, 3524, 3965, 4405, 6344, 7048, 7930, 8810, 11453, 15860, 17620, 22906, 31720, 35240, 45812, 53741, 57265, 91624, 107482, 114530, 214964, 229060, 268705, 429928, 458120, 537410, 698633, 1074820, 1397266, 2149640, 2794532, 3493165, 5589064, 6986330, 13972660, 27945320]

約数ペア:

[(1, 27945320), (2, 13972660), (4, 6986330), (5, 5589064), (8, 3493165), (10, 2794532), (13, 2149640), (20, 1397266), (26, 1074820), (40, 698633), (52, 537410), (61, 458120), (65, 429928), (104, 268705), (122, 229060), (130, 214964), (244, 114530), (260, 107482), (305, 91624), (488, 57265), (520, 53741), (610, 45812), (793, 35240), (881, 31720), (1220, 22906), (1586, 17620), (1762, 15860), (2440, 11453), (3172, 8810), (3524, 7930), (3965, 7048), (4405, 6344)]