56787280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1444

約数の個数: 80

約数和(自身を含む): 147204864

約数和(自身を除く): 90417584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1373, 1880, 2068, 2585, 2746, 3760, 4136, 5170, 5492, 6865, 8272, 10340, 10984, 13730, 15103, 20680, 21968, 27460, 30206, 41360, 54920, 60412, 64531, 75515, 109840, 120824, 129062, 151030, 241648, 258124, 302060, 322655, 516248, 604120, 645310, 709841, 1032496, 1208240, 1290620, 1419682, 2581240, 2839364, 3549205, 5162480, 5678728, 7098410, 11357456, 14196820, 28393640, 56787280]

約数ペア:

[(1, 56787280), (2, 28393640), (4, 14196820), (5, 11357456), (8, 7098410), (10, 5678728), (11, 5162480), (16, 3549205), (20, 2839364), (22, 2581240), (40, 1419682), (44, 1290620), (47, 1208240), (55, 1032496), (80, 709841), (88, 645310), (94, 604120), (110, 516248), (176, 322655), (188, 302060), (220, 258124), (235, 241648), (376, 151030), (440, 129062), (470, 120824), (517, 109840), (752, 75515), (880, 64531), (940, 60412), (1034, 54920), (1373, 41360), (1880, 30206), (2068, 27460), (2585, 21968), (2746, 20680), (3760, 15103), (4136, 13730), (5170, 10984), (5492, 10340), (6865, 8272)]