8315825

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 12915840

約数和(自身を除く): 4600015

約数列:

[1, 5, 7, 19, 25, 35, 41, 61, 95, 133, 175, 205, 287, 305, 427, 475, 665, 779, 1025, 1159, 1435, 1525, 2135, 2501, 3325, 3895, 5453, 5795, 7175, 8113, 10675, 12505, 17507, 19475, 27265, 28975, 40565, 47519, 62525, 87535, 136325, 202825, 237595, 332633, 437675, 1187975, 1663165, 8315825]

約数ペア:

[(1, 8315825), (5, 1663165), (7, 1187975), (19, 437675), (25, 332633), (35, 237595), (41, 202825), (61, 136325), (95, 87535), (133, 62525), (175, 47519), (205, 40565), (287, 28975), (305, 27265), (427, 19475), (475, 17507), (665, 12505), (779, 10675), (1025, 8113), (1159, 7175), (1435, 5795), (1525, 5453), (2135, 3895), (2501, 3325)]