1980607360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{99829}}^1$

素因数の和:99879

約数の個数: 64

約数和(自身を含む): 4887676800

約数和(自身を除く): 2907069440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 99829, 199658, 399316, 499145, 798632, 998290, 1597264, 1996580, 3094699, 3194528, 3993160, 6189398, 6389056, 7986320, 12378796, 12778112, 15473495, 15972640, 24757592, 30946990, 31945280, 49515184, 61893980, 63890560, 99030368, 123787960, 198060736, 247575920, 396121472, 495151840, 990303680, 1980607360]

約数ペア:

[(1, 1980607360), (2, 990303680), (4, 495151840), (5, 396121472), (8, 247575920), (10, 198060736), (16, 123787960), (20, 99030368), (31, 63890560), (32, 61893980), (40, 49515184), (62, 31945280), (64, 30946990), (80, 24757592), (124, 15972640), (128, 15473495), (155, 12778112), (160, 12378796), (248, 7986320), (310, 6389056), (320, 6189398), (496, 3993160), (620, 3194528), (640, 3094699), (992, 1996580), (1240, 1597264), (1984, 998290), (2480, 798632), (3968, 499145), (4960, 399316), (9920, 199658), (19840, 99829)]