12120860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 27095040

約数和(自身を除く): 14974180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 191, 334, 380, 382, 668, 764, 835, 955, 1670, 1910, 3173, 3340, 3629, 3820, 6346, 7258, 12692, 14516, 15865, 18145, 31730, 31897, 36290, 63460, 63794, 72580, 127588, 159485, 318970, 606043, 637940, 1212086, 2424172, 3030215, 6060430, 12120860]

約数ペア:

[(1, 12120860), (2, 6060430), (4, 3030215), (5, 2424172), (10, 1212086), (19, 637940), (20, 606043), (38, 318970), (76, 159485), (95, 127588), (167, 72580), (190, 63794), (191, 63460), (334, 36290), (380, 31897), (382, 31730), (668, 18145), (764, 15865), (835, 14516), (955, 12692), (1670, 7258), (1910, 6346), (3173, 3820), (3340, 3629)]