25001390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 49203504

約数和(自身を除く): 24202114

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 211, 289, 410, 422, 578, 697, 1055, 1394, 1445, 2110, 2890, 3485, 3587, 6970, 7174, 8651, 11849, 17302, 17935, 23698, 35870, 43255, 59245, 60979, 86510, 118490, 121958, 147067, 294134, 304895, 609790, 735335, 1470670, 2500139, 5000278, 12500695, 25001390]

約数ペア:

[(1, 25001390), (2, 12500695), (5, 5000278), (10, 2500139), (17, 1470670), (34, 735335), (41, 609790), (82, 304895), (85, 294134), (170, 147067), (205, 121958), (211, 118490), (289, 86510), (410, 60979), (422, 59245), (578, 43255), (697, 35870), (1055, 23698), (1394, 17935), (1445, 17302), (2110, 11849), (2890, 8651), (3485, 7174), (3587, 6970)]