27779960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1368

約数の個数: 64

約数和(自身を含む): 69007680

約数和(自身を除く): 41227720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1303, 1640, 2132, 2606, 2665, 4264, 5212, 5330, 6515, 10424, 10660, 13030, 16939, 21320, 26060, 33878, 52120, 53423, 67756, 84695, 106846, 135512, 169390, 213692, 267115, 338780, 427384, 534230, 677560, 694499, 1068460, 1388998, 2136920, 2777996, 3472495, 5555992, 6944990, 13889980, 27779960]

約数ペア:

[(1, 27779960), (2, 13889980), (4, 6944990), (5, 5555992), (8, 3472495), (10, 2777996), (13, 2136920), (20, 1388998), (26, 1068460), (40, 694499), (41, 677560), (52, 534230), (65, 427384), (82, 338780), (104, 267115), (130, 213692), (164, 169390), (205, 135512), (260, 106846), (328, 84695), (410, 67756), (520, 53423), (533, 52120), (820, 33878), (1066, 26060), (1303, 21320), (1640, 16939), (2132, 13030), (2606, 10660), (2665, 10424), (4264, 6515), (5212, 5330)]