1625650

素因数分解:

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

素因数の和:127

約数の個数: 48

約数和(自身を含む): 3390408

約数和(自身を除く): 1764758

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 61, 65, 82, 122, 130, 205, 305, 325, 410, 533, 610, 650, 793, 1025, 1066, 1525, 1586, 2050, 2501, 2665, 3050, 3965, 5002, 5330, 7930, 12505, 13325, 19825, 25010, 26650, 32513, 39650, 62525, 65026, 125050, 162565, 325130, 812825, 1625650]

約数ペア:

[(1, 1625650), (2, 812825), (5, 325130), (10, 162565), (13, 125050), (25, 65026), (26, 62525), (41, 39650), (50, 32513), (61, 26650), (65, 25010), (82, 19825), (122, 13325), (130, 12505), (205, 7930), (305, 5330), (325, 5002), (410, 3965), (533, 3050), (610, 2665), (650, 2501), (793, 2050), (1025, 1586), (1066, 1525)]