131730625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 183341312

約数和(自身を除く): 51610687

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 523, 625, 775, 1625, 2015, 2615, 3875, 6799, 8125, 10075, 13075, 16213, 19375, 33995, 50375, 65375, 81065, 169975, 210769, 251875, 326875, 405325, 849875, 1053845, 2026625, 4249375, 5269225, 10133125, 26346125, 131730625]

約数ペア:

[(1, 131730625), (5, 26346125), (13, 10133125), (25, 5269225), (31, 4249375), (65, 2026625), (125, 1053845), (155, 849875), (325, 405325), (403, 326875), (523, 251875), (625, 210769), (775, 169975), (1625, 81065), (2015, 65375), (2615, 50375), (3875, 33995), (6799, 19375), (8125, 16213), (10075, 13075)]