12913340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 17084740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 743, 790, 869, 1486, 1580, 1738, 2972, 3476, 3715, 4345, 7430, 8173, 8690, 14860, 16346, 17380, 32692, 40865, 58697, 81730, 117394, 163460, 234788, 293485, 586970, 645667, 1173940, 1291334, 2582668, 3228335, 6456670, 12913340]

約数ペア:

[(1, 12913340), (2, 6456670), (4, 3228335), (5, 2582668), (10, 1291334), (11, 1173940), (20, 645667), (22, 586970), (44, 293485), (55, 234788), (79, 163460), (110, 117394), (158, 81730), (220, 58697), (316, 40865), (395, 32692), (743, 17380), (790, 16346), (869, 14860), (1486, 8690), (1580, 8173), (1738, 7430), (2972, 4345), (3476, 3715)]