12917080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 32762880

約数和(自身を除く): 19845800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 947, 1240, 1364, 1705, 1894, 2728, 3410, 3788, 4735, 6820, 7576, 9470, 10417, 13640, 18940, 20834, 29357, 37880, 41668, 52085, 58714, 83336, 104170, 117428, 146785, 208340, 234856, 293570, 322927, 416680, 587140, 645854, 1174280, 1291708, 1614635, 2583416, 3229270, 6458540, 12917080]

約数ペア:

[(1, 12917080), (2, 6458540), (4, 3229270), (5, 2583416), (8, 1614635), (10, 1291708), (11, 1174280), (20, 645854), (22, 587140), (31, 416680), (40, 322927), (44, 293570), (55, 234856), (62, 208340), (88, 146785), (110, 117428), (124, 104170), (155, 83336), (220, 58714), (248, 52085), (310, 41668), (341, 37880), (440, 29357), (620, 20834), (682, 18940), (947, 13640), (1240, 10417), (1364, 9470), (1705, 7576), (1894, 6820), (2728, 4735), (3410, 3788)]