29628560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:976

約数の個数: 80

約数和(自身を含む): 76661760

約数和(自身を除く): 47033200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 919, 1040, 1240, 1612, 1838, 2015, 2480, 3224, 3676, 4030, 4595, 6448, 7352, 8060, 9190, 11947, 14704, 16120, 18380, 23894, 28489, 32240, 36760, 47788, 56978, 59735, 73520, 95576, 113956, 119470, 142445, 191152, 227912, 238940, 284890, 370357, 455824, 477880, 569780, 740714, 955760, 1139560, 1481428, 1851785, 2279120, 2962856, 3703570, 5925712, 7407140, 14814280, 29628560]

約数ペア:

[(1, 29628560), (2, 14814280), (4, 7407140), (5, 5925712), (8, 3703570), (10, 2962856), (13, 2279120), (16, 1851785), (20, 1481428), (26, 1139560), (31, 955760), (40, 740714), (52, 569780), (62, 477880), (65, 455824), (80, 370357), (104, 284890), (124, 238940), (130, 227912), (155, 191152), (208, 142445), (248, 119470), (260, 113956), (310, 95576), (403, 73520), (496, 59735), (520, 56978), (620, 47788), (806, 36760), (919, 32240), (1040, 28489), (1240, 23894), (1612, 18380), (1838, 16120), (2015, 14704), (2480, 11947), (3224, 9190), (3676, 8060), (4030, 7352), (4595, 6448)]