25758775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 39362560

約数和(自身を除く): 13603785

約数列:

[1, 5, 7, 19, 25, 35, 61, 95, 127, 133, 175, 305, 427, 475, 635, 665, 889, 1159, 1525, 2135, 2413, 3175, 3325, 4445, 5795, 7747, 8113, 10675, 12065, 16891, 22225, 28975, 38735, 40565, 54229, 60325, 84455, 147193, 193675, 202825, 271145, 422275, 735965, 1030351, 1355725, 3679825, 5151755, 25758775]

約数ペア:

[(1, 25758775), (5, 5151755), (7, 3679825), (19, 1355725), (25, 1030351), (35, 735965), (61, 422275), (95, 271145), (127, 202825), (133, 193675), (175, 147193), (305, 84455), (427, 60325), (475, 54229), (635, 40565), (665, 38735), (889, 28975), (1159, 22225), (1525, 16891), (2135, 12065), (2413, 10675), (3175, 8113), (3325, 7747), (4445, 5795)]