61285250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 125405280

約数和(自身を除く): 64120030

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 125, 130, 173, 218, 250, 325, 346, 545, 650, 865, 1090, 1417, 1625, 1730, 2249, 2725, 2834, 3250, 4325, 4498, 5450, 7085, 8650, 11245, 13625, 14170, 18857, 21625, 22490, 27250, 35425, 37714, 43250, 56225, 70850, 94285, 112450, 177125, 188570, 245141, 281125, 354250, 471425, 490282, 562250, 942850, 1225705, 2357125, 2451410, 4714250, 6128525, 12257050, 30642625, 61285250]

約数ペア:

[(1, 61285250), (2, 30642625), (5, 12257050), (10, 6128525), (13, 4714250), (25, 2451410), (26, 2357125), (50, 1225705), (65, 942850), (109, 562250), (125, 490282), (130, 471425), (173, 354250), (218, 281125), (250, 245141), (325, 188570), (346, 177125), (545, 112450), (650, 94285), (865, 70850), (1090, 56225), (1417, 43250), (1625, 37714), (1730, 35425), (2249, 27250), (2725, 22490), (2834, 21625), (3250, 18857), (4325, 14170), (4498, 13625), (5450, 11245), (7085, 8650)]