13235780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 29789760

約数和(自身を除く): 16553980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 571, 610, 1142, 1159, 1220, 2284, 2318, 2855, 4636, 5710, 5795, 10849, 11420, 11590, 21698, 23180, 34831, 43396, 54245, 69662, 108490, 139324, 174155, 216980, 348310, 661789, 696620, 1323578, 2647156, 3308945, 6617890, 13235780]

約数ペア:

[(1, 13235780), (2, 6617890), (4, 3308945), (5, 2647156), (10, 1323578), (19, 696620), (20, 661789), (38, 348310), (61, 216980), (76, 174155), (95, 139324), (122, 108490), (190, 69662), (244, 54245), (305, 43396), (380, 34831), (571, 23180), (610, 21698), (1142, 11590), (1159, 11420), (1220, 10849), (2284, 5795), (2318, 5710), (2855, 4636)]