64501120

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1039}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 155937600

約数和(自身を除く): 91436480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1039, 1552, 1940, 2078, 3104, 3880, 4156, 5195, 6208, 7760, 8312, 10390, 12416, 15520, 16624, 20780, 31040, 33248, 41560, 62080, 66496, 83120, 100783, 132992, 166240, 201566, 332480, 403132, 503915, 664960, 806264, 1007830, 1612528, 2015660, 3225056, 4031320, 6450112, 8062640, 12900224, 16125280, 32250560, 64501120]

約数ペア:

[(1, 64501120), (2, 32250560), (4, 16125280), (5, 12900224), (8, 8062640), (10, 6450112), (16, 4031320), (20, 3225056), (32, 2015660), (40, 1612528), (64, 1007830), (80, 806264), (97, 664960), (128, 503915), (160, 403132), (194, 332480), (320, 201566), (388, 166240), (485, 132992), (640, 100783), (776, 83120), (970, 66496), (1039, 62080), (1552, 41560), (1940, 33248), (2078, 31040), (3104, 20780), (3880, 16624), (4156, 15520), (5195, 12416), (6208, 10390), (7760, 8312)]