8128250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 17061408

約数和(自身を除く): 8933158

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 61, 65, 82, 122, 125, 130, 205, 250, 305, 325, 410, 533, 610, 650, 793, 1025, 1066, 1525, 1586, 1625, 2050, 2501, 2665, 3050, 3250, 3965, 5002, 5125, 5330, 7625, 7930, 10250, 12505, 13325, 15250, 19825, 25010, 26650, 32513, 39650, 62525, 65026, 66625, 99125, 125050, 133250, 162565, 198250, 312625, 325130, 625250, 812825, 1625650, 4064125, 8128250]

約数ペア:

[(1, 8128250), (2, 4064125), (5, 1625650), (10, 812825), (13, 625250), (25, 325130), (26, 312625), (41, 198250), (50, 162565), (61, 133250), (65, 125050), (82, 99125), (122, 66625), (125, 65026), (130, 62525), (205, 39650), (250, 32513), (305, 26650), (325, 25010), (410, 19825), (533, 15250), (610, 13325), (650, 12505), (793, 10250), (1025, 7930), (1066, 7625), (1525, 5330), (1586, 5125), (1625, 5002), (2050, 3965), (2501, 3250), (2665, 3050)]