12630640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 33140736

約数和(自身を除く): 20510096

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, 463, 496, 620, 682, 880, 926, 1240, 1364, 1705, 1852, 2315, 2480, 2728, 3410, 3704, 4630, 5093, 5456, 6820, 7408, 9260, 10186, 13640, 14353, 18520, 20372, 25465, 27280, 28706, 37040, 40744, 50930, 57412, 71765, 81488, 101860, 114824, 143530, 157883, 203720, 229648, 287060, 315766, 407440, 574120, 631532, 789415, 1148240, 1263064, 1578830, 2526128, 3157660, 6315320, 12630640]

約数ペア:

[(1, 12630640), (2, 6315320), (4, 3157660), (5, 2526128), (8, 1578830), (10, 1263064), (11, 1148240), (16, 789415), (20, 631532), (22, 574120), (31, 407440), (40, 315766), (44, 287060), (55, 229648), (62, 203720), (80, 157883), (88, 143530), (110, 114824), (124, 101860), (155, 81488), (176, 71765), (220, 57412), (248, 50930), (310, 40744), (341, 37040), (440, 28706), (463, 27280), (496, 25465), (620, 20372), (682, 18520), (880, 14353), (926, 13640), (1240, 10186), (1364, 9260), (1705, 7408), (1852, 6820), (2315, 5456), (2480, 5093), (2728, 4630), (3410, 3704)]