20172667450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{81031}}^1$

素因数の和:81439

約数の個数: 48

約数和(自身を含む): 40513406976

約数和(自身を除く): 20340739526

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 383, 650, 766, 1915, 3830, 4979, 9575, 9958, 19150, 24895, 49790, 81031, 124475, 162062, 248950, 405155, 810310, 1053403, 2025775, 2106806, 4051550, 5267015, 10534030, 26335075, 31034873, 52670150, 62069746, 155174365, 310348730, 403453349, 775871825, 806906698, 1551743650, 2017266745, 4034533490, 10086333725, 20172667450]

約数ペア:

[(1, 20172667450), (2, 10086333725), (5, 4034533490), (10, 2017266745), (13, 1551743650), (25, 806906698), (26, 775871825), (50, 403453349), (65, 310348730), (130, 155174365), (325, 62069746), (383, 52670150), (650, 31034873), (766, 26335075), (1915, 10534030), (3830, 5267015), (4979, 4051550), (9575, 2106806), (9958, 2025775), (19150, 1053403), (24895, 810310), (49790, 405155), (81031, 248950), (124475, 162062)]