53552500

素因数分解:

$2^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:746

約数の個数: 60

約数和(自身を含む): 121061248

約数和(自身を除く): 67508748

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 625, 691, 775, 1250, 1382, 1550, 2500, 2764, 3100, 3455, 3875, 6910, 7750, 13820, 15500, 17275, 19375, 21421, 34550, 38750, 42842, 69100, 77500, 85684, 86375, 107105, 172750, 214210, 345500, 428420, 431875, 535525, 863750, 1071050, 1727500, 2142100, 2677625, 5355250, 10710500, 13388125, 26776250, 53552500]

約数ペア:

[(1, 53552500), (2, 26776250), (4, 13388125), (5, 10710500), (10, 5355250), (20, 2677625), (25, 2142100), (31, 1727500), (50, 1071050), (62, 863750), (100, 535525), (124, 431875), (125, 428420), (155, 345500), (250, 214210), (310, 172750), (500, 107105), (620, 86375), (625, 85684), (691, 77500), (775, 69100), (1250, 42842), (1382, 38750), (1550, 34550), (2500, 21421), (2764, 19375), (3100, 17275), (3455, 15500), (3875, 13820), (6910, 7750)]