25921020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 74681712

約数和(自身を除く): 48760692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 257, 410, 492, 514, 615, 771, 820, 1028, 1230, 1285, 1542, 1681, 2460, 2570, 3084, 3362, 3855, 5043, 5140, 6724, 7710, 8405, 10086, 10537, 15420, 16810, 20172, 21074, 25215, 31611, 33620, 42148, 50430, 52685, 63222, 100860, 105370, 126444, 158055, 210740, 316110, 432017, 632220, 864034, 1296051, 1728068, 2160085, 2592102, 4320170, 5184204, 6480255, 8640340, 12960510, 25921020]

約数ペア:

[(1, 25921020), (2, 12960510), (3, 8640340), (4, 6480255), (5, 5184204), (6, 4320170), (10, 2592102), (12, 2160085), (15, 1728068), (20, 1296051), (30, 864034), (41, 632220), (60, 432017), (82, 316110), (123, 210740), (164, 158055), (205, 126444), (246, 105370), (257, 100860), (410, 63222), (492, 52685), (514, 50430), (615, 42148), (771, 33620), (820, 31611), (1028, 25215), (1230, 21074), (1285, 20172), (1542, 16810), (1681, 15420), (2460, 10537), (2570, 10086), (3084, 8405), (3362, 7710), (3855, 6724), (5043, 5140)]