64412920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11261}}^1$

素因数の和:11296

約数の個数: 64

約数和(自身を含む): 170281440

約数和(自身を除く): 105868520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 11261, 22522, 45044, 56305, 90088, 112610, 123871, 146393, 225220, 247742, 292786, 450440, 495484, 585572, 619355, 731965, 990968, 1171144, 1238710, 1463930, 1610323, 2477420, 2927860, 3220646, 4954840, 5855720, 6441292, 8051615, 12882584, 16103230, 32206460, 64412920]

約数ペア:

[(1, 64412920), (2, 32206460), (4, 16103230), (5, 12882584), (8, 8051615), (10, 6441292), (11, 5855720), (13, 4954840), (20, 3220646), (22, 2927860), (26, 2477420), (40, 1610323), (44, 1463930), (52, 1238710), (55, 1171144), (65, 990968), (88, 731965), (104, 619355), (110, 585572), (130, 495484), (143, 450440), (220, 292786), (260, 247742), (286, 225220), (440, 146393), (520, 123871), (572, 112610), (715, 90088), (1144, 56305), (1430, 45044), (2860, 22522), (5720, 11261)]