28636250

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:792

約数の個数: 40

約数和(自身を含む): 55482240

約数和(自身を除く): 26845990

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 625, 739, 775, 1250, 1478, 1550, 3695, 3875, 7390, 7750, 18475, 19375, 22909, 36950, 38750, 45818, 92375, 114545, 184750, 229090, 461875, 572725, 923750, 1145450, 2863625, 5727250, 14318125, 28636250]

約数ペア:

[(1, 28636250), (2, 14318125), (5, 5727250), (10, 2863625), (25, 1145450), (31, 923750), (50, 572725), (62, 461875), (125, 229090), (155, 184750), (250, 114545), (310, 92375), (625, 45818), (739, 38750), (775, 36950), (1250, 22909), (1478, 19375), (1550, 18475), (3695, 7750), (3875, 7390)]