12500860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 28103040

約数和(自身を除く): 15602180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 491, 670, 982, 1273, 1340, 1964, 2455, 2546, 4910, 5092, 6365, 9329, 9820, 12730, 18658, 25460, 32897, 37316, 46645, 65794, 93290, 131588, 164485, 186580, 328970, 625043, 657940, 1250086, 2500172, 3125215, 6250430, 12500860]

約数ペア:

[(1, 12500860), (2, 6250430), (4, 3125215), (5, 2500172), (10, 1250086), (19, 657940), (20, 625043), (38, 328970), (67, 186580), (76, 164485), (95, 131588), (134, 93290), (190, 65794), (268, 46645), (335, 37316), (380, 32897), (491, 25460), (670, 18658), (982, 12730), (1273, 9820), (1340, 9329), (1964, 6365), (2455, 5092), (2546, 4910)]