158907580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4397}}^1$

素因数の和:4558

約数の個数: 48

約数和(自身を含む): 362043360

約数和(自身を除く): 203135780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 4397, 7228, 8794, 9035, 17588, 18070, 21985, 36140, 43970, 57161, 87940, 114322, 228644, 285805, 571610, 611183, 1143220, 1222366, 2444732, 3055915, 6111830, 7945379, 12223660, 15890758, 31781516, 39726895, 79453790, 158907580]

約数ペア:

[(1, 158907580), (2, 79453790), (4, 39726895), (5, 31781516), (10, 15890758), (13, 12223660), (20, 7945379), (26, 6111830), (52, 3055915), (65, 2444732), (130, 1222366), (139, 1143220), (260, 611183), (278, 571610), (556, 285805), (695, 228644), (1390, 114322), (1807, 87940), (2780, 57161), (3614, 43970), (4397, 36140), (7228, 21985), (8794, 18070), (9035, 17588)]