31290625

素因数分解:

$5^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 13706495

約数列:

[1, 5, 17, 19, 25, 31, 85, 95, 125, 155, 323, 425, 475, 527, 589, 625, 775, 1615, 2125, 2375, 2635, 2945, 3125, 3875, 8075, 10013, 10625, 11875, 13175, 14725, 19375, 40375, 50065, 53125, 59375, 65875, 73625, 96875, 201875, 250325, 329375, 368125, 1009375, 1251625, 1646875, 1840625, 6258125, 31290625]

約数ペア:

[(1, 31290625), (5, 6258125), (17, 1840625), (19, 1646875), (25, 1251625), (31, 1009375), (85, 368125), (95, 329375), (125, 250325), (155, 201875), (323, 96875), (425, 73625), (475, 65875), (527, 59375), (589, 53125), (625, 50065), (775, 40375), (1615, 19375), (2125, 14725), (2375, 13175), (2635, 11875), (2945, 10625), (3125, 10013), (3875, 8075)]