28135580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 69672960

約数和(自身を除く): 41537380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 53, 55, 76, 95, 106, 110, 127, 190, 209, 212, 220, 254, 265, 380, 418, 508, 530, 583, 635, 836, 1007, 1045, 1060, 1166, 1270, 1397, 2014, 2090, 2332, 2413, 2540, 2794, 2915, 4028, 4180, 4826, 5035, 5588, 5830, 6731, 6985, 9652, 10070, 11077, 11660, 12065, 13462, 13970, 20140, 22154, 24130, 26543, 26924, 27940, 33655, 44308, 48260, 53086, 55385, 67310, 74041, 106172, 110770, 127889, 132715, 134620, 148082, 221540, 255778, 265430, 296164, 370205, 511556, 530860, 639445, 740410, 1278890, 1406779, 1480820, 2557780, 2813558, 5627116, 7033895, 14067790, 28135580]

約数ペア:

[(1, 28135580), (2, 14067790), (4, 7033895), (5, 5627116), (10, 2813558), (11, 2557780), (19, 1480820), (20, 1406779), (22, 1278890), (38, 740410), (44, 639445), (53, 530860), (55, 511556), (76, 370205), (95, 296164), (106, 265430), (110, 255778), (127, 221540), (190, 148082), (209, 134620), (212, 132715), (220, 127889), (254, 110770), (265, 106172), (380, 74041), (418, 67310), (508, 55385), (530, 53086), (583, 48260), (635, 44308), (836, 33655), (1007, 27940), (1045, 26924), (1060, 26543), (1166, 24130), (1270, 22154), (1397, 20140), (2014, 13970), (2090, 13462), (2332, 12065), (2413, 11660), (2540, 11077), (2794, 10070), (2915, 9652), (4028, 6985), (4180, 6731), (4826, 5830), (5035, 5588)]