55125440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5557}}^1$

素因数の和:5605

約数の個数: 56

約数和(自身を含む): 135526272

約数和(自身を除く): 80400832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 5557, 9920, 11114, 22228, 27785, 44456, 55570, 88912, 111140, 172267, 177824, 222280, 344534, 355648, 444560, 689068, 861335, 889120, 1378136, 1722670, 1778240, 2756272, 3445340, 5512544, 6890680, 11025088, 13781360, 27562720, 55125440]

約数ペア:

[(1, 55125440), (2, 27562720), (4, 13781360), (5, 11025088), (8, 6890680), (10, 5512544), (16, 3445340), (20, 2756272), (31, 1778240), (32, 1722670), (40, 1378136), (62, 889120), (64, 861335), (80, 689068), (124, 444560), (155, 355648), (160, 344534), (248, 222280), (310, 177824), (320, 172267), (496, 111140), (620, 88912), (992, 55570), (1240, 44456), (1984, 27785), (2480, 22228), (4960, 11114), (5557, 9920)]