25398130

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 47017584

約数和(自身を除く): 21619454

約数列:

[1, 2, 5, 10, 53, 106, 173, 265, 277, 346, 530, 554, 865, 1385, 1730, 2770, 9169, 14681, 18338, 29362, 45845, 47921, 73405, 91690, 95842, 146810, 239605, 479210, 2539813, 5079626, 12699065, 25398130]

約数ペア:

[(1, 25398130), (2, 12699065), (5, 5079626), (10, 2539813), (53, 479210), (106, 239605), (173, 146810), (265, 95842), (277, 91690), (346, 73405), (530, 47921), (554, 45845), (865, 29362), (1385, 18338), (1730, 14681), (2770, 9169)]