65106400

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:956

約数の個数: 72

約数和(自身を含む): 160770960

約数和(自身を除く): 95664560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 776, 800, 839, 970, 1552, 1678, 1940, 2425, 3104, 3356, 3880, 4195, 4850, 6712, 7760, 8390, 9700, 13424, 15520, 16780, 19400, 20975, 26848, 33560, 38800, 41950, 67120, 77600, 81383, 83900, 134240, 162766, 167800, 325532, 335600, 406915, 651064, 671200, 813830, 1302128, 1627660, 2034575, 2604256, 3255320, 4069150, 6510640, 8138300, 13021280, 16276600, 32553200, 65106400]

約数ペア:

[(1, 65106400), (2, 32553200), (4, 16276600), (5, 13021280), (8, 8138300), (10, 6510640), (16, 4069150), (20, 3255320), (25, 2604256), (32, 2034575), (40, 1627660), (50, 1302128), (80, 813830), (97, 671200), (100, 651064), (160, 406915), (194, 335600), (200, 325532), (388, 167800), (400, 162766), (485, 134240), (776, 83900), (800, 81383), (839, 77600), (970, 67120), (1552, 41950), (1678, 38800), (1940, 33560), (2425, 26848), (3104, 20975), (3356, 19400), (3880, 16780), (4195, 15520), (4850, 13424), (6712, 9700), (7760, 8390)]