27731360

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5591}}^1$

素因数の和:5637

約数の個数: 48

約数和(自身を含む): 67640832

約数和(自身を除く): 39909472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5591, 11182, 22364, 27955, 44728, 55910, 89456, 111820, 173321, 178912, 223640, 346642, 447280, 693284, 866605, 894560, 1386568, 1733210, 2773136, 3466420, 5546272, 6932840, 13865680, 27731360]

約数ペア:

[(1, 27731360), (2, 13865680), (4, 6932840), (5, 5546272), (8, 3466420), (10, 2773136), (16, 1733210), (20, 1386568), (31, 894560), (32, 866605), (40, 693284), (62, 447280), (80, 346642), (124, 223640), (155, 178912), (160, 173321), (248, 111820), (310, 89456), (496, 55910), (620, 44728), (992, 27955), (1240, 22364), (2480, 11182), (4960, 5591)]