23998780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 54641664

約数和(自身を除く): 30642884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 383, 482, 766, 964, 1205, 1532, 1915, 2410, 3133, 3830, 4820, 4979, 6266, 7660, 9958, 12532, 15665, 19916, 24895, 31330, 49790, 62660, 92303, 99580, 184606, 369212, 461515, 923030, 1199939, 1846060, 2399878, 4799756, 5999695, 11999390, 23998780]

約数ペア:

[(1, 23998780), (2, 11999390), (4, 5999695), (5, 4799756), (10, 2399878), (13, 1846060), (20, 1199939), (26, 923030), (52, 461515), (65, 369212), (130, 184606), (241, 99580), (260, 92303), (383, 62660), (482, 49790), (766, 31330), (964, 24895), (1205, 19916), (1532, 15665), (1915, 12532), (2410, 9958), (3133, 7660), (3830, 6266), (4820, 4979)]