13885520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 36426240

約数和(自身を除く): 22540720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 509, 620, 682, 880, 1018, 1240, 1364, 1705, 2036, 2480, 2545, 2728, 3410, 4072, 5090, 5456, 5599, 6820, 8144, 10180, 11198, 13640, 15779, 20360, 22396, 27280, 27995, 31558, 40720, 44792, 55990, 63116, 78895, 89584, 111980, 126232, 157790, 173569, 223960, 252464, 315580, 347138, 447920, 631160, 694276, 867845, 1262320, 1388552, 1735690, 2777104, 3471380, 6942760, 13885520]

約数ペア:

[(1, 13885520), (2, 6942760), (4, 3471380), (5, 2777104), (8, 1735690), (10, 1388552), (11, 1262320), (16, 867845), (20, 694276), (22, 631160), (31, 447920), (40, 347138), (44, 315580), (55, 252464), (62, 223960), (80, 173569), (88, 157790), (110, 126232), (124, 111980), (155, 89584), (176, 78895), (220, 63116), (248, 55990), (310, 44792), (341, 40720), (440, 31558), (496, 27995), (509, 27280), (620, 22396), (682, 20360), (880, 15779), (1018, 13640), (1240, 11198), (1364, 10180), (1705, 8144), (2036, 6820), (2480, 5599), (2545, 5456), (2728, 5090), (3410, 4072)]