25151750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 26740090

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 109, 125, 130, 142, 218, 250, 325, 355, 545, 650, 710, 923, 1090, 1417, 1625, 1775, 1846, 2725, 2834, 3250, 3550, 4615, 5450, 7085, 7739, 8875, 9230, 13625, 14170, 15478, 17750, 23075, 27250, 35425, 38695, 46150, 70850, 77390, 100607, 115375, 177125, 193475, 201214, 230750, 354250, 386950, 503035, 967375, 1006070, 1934750, 2515175, 5030350, 12575875, 25151750]

約数ペア:

[(1, 25151750), (2, 12575875), (5, 5030350), (10, 2515175), (13, 1934750), (25, 1006070), (26, 967375), (50, 503035), (65, 386950), (71, 354250), (109, 230750), (125, 201214), (130, 193475), (142, 177125), (218, 115375), (250, 100607), (325, 77390), (355, 70850), (545, 46150), (650, 38695), (710, 35425), (923, 27250), (1090, 23075), (1417, 17750), (1625, 15478), (1775, 14170), (1846, 13625), (2725, 9230), (2834, 8875), (3250, 7739), (3550, 7085), (4615, 5450)]