25739120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2659}}^1$

素因数の和:2694

約数の個数: 60

約数和(自身を含む): 65803080

約数和(自身を除く): 40063960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 2659, 4840, 5318, 9680, 10636, 13295, 21272, 26590, 29249, 42544, 53180, 58498, 106360, 116996, 146245, 212720, 233992, 292490, 321739, 467984, 584980, 643478, 1169960, 1286956, 1608695, 2339920, 2573912, 3217390, 5147824, 6434780, 12869560, 25739120]

約数ペア:

[(1, 25739120), (2, 12869560), (4, 6434780), (5, 5147824), (8, 3217390), (10, 2573912), (11, 2339920), (16, 1608695), (20, 1286956), (22, 1169960), (40, 643478), (44, 584980), (55, 467984), (80, 321739), (88, 292490), (110, 233992), (121, 212720), (176, 146245), (220, 116996), (242, 106360), (440, 58498), (484, 53180), (605, 42544), (880, 29249), (968, 26590), (1210, 21272), (1936, 13295), (2420, 10636), (2659, 9680), (4840, 5318)]