25620740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 57093120

約数和(自身を除く): 31472380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 353, 380, 382, 706, 764, 955, 1412, 1765, 1910, 3530, 3629, 3820, 6707, 7060, 7258, 13414, 14516, 18145, 26828, 33535, 36290, 67070, 67423, 72580, 134140, 134846, 269692, 337115, 674230, 1281037, 1348460, 2562074, 5124148, 6405185, 12810370, 25620740]

約数ペア:

[(1, 25620740), (2, 12810370), (4, 6405185), (5, 5124148), (10, 2562074), (19, 1348460), (20, 1281037), (38, 674230), (76, 337115), (95, 269692), (190, 134846), (191, 134140), (353, 72580), (380, 67423), (382, 67070), (706, 36290), (764, 33535), (955, 26828), (1412, 18145), (1765, 14516), (1910, 13414), (3530, 7258), (3629, 7060), (3820, 6707)]