201578260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2477}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 457518096

約数和(自身を除く): 255939836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 1252, 1565, 2477, 3130, 4069, 4954, 6260, 8138, 9908, 12385, 16276, 20345, 24770, 32201, 40690, 49540, 64402, 81380, 128804, 161005, 322010, 644020, 775301, 1550602, 3101204, 3876505, 7753010, 10078913, 15506020, 20157826, 40315652, 50394565, 100789130, 201578260]

約数ペア:

[(1, 201578260), (2, 100789130), (4, 50394565), (5, 40315652), (10, 20157826), (13, 15506020), (20, 10078913), (26, 7753010), (52, 3876505), (65, 3101204), (130, 1550602), (260, 775301), (313, 644020), (626, 322010), (1252, 161005), (1565, 128804), (2477, 81380), (3130, 64402), (4069, 49540), (4954, 40690), (6260, 32201), (8138, 24770), (9908, 20345), (12385, 16276)]