25875540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4957}}^1$

素因数の和:5001

約数の個数: 72

約数和(自身を含む): 81212040

約数和(自身を除く): 55336500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 4957, 5220, 9914, 14871, 19828, 24785, 29742, 44613, 49570, 59484, 74355, 89226, 99140, 143753, 148710, 178452, 223065, 287506, 297420, 431259, 446130, 575012, 718765, 862518, 892260, 1293777, 1437530, 1725036, 2156295, 2587554, 2875060, 4312590, 5175108, 6468885, 8625180, 12937770, 25875540]

約数ペア:

[(1, 25875540), (2, 12937770), (3, 8625180), (4, 6468885), (5, 5175108), (6, 4312590), (9, 2875060), (10, 2587554), (12, 2156295), (15, 1725036), (18, 1437530), (20, 1293777), (29, 892260), (30, 862518), (36, 718765), (45, 575012), (58, 446130), (60, 431259), (87, 297420), (90, 287506), (116, 223065), (145, 178452), (174, 148710), (180, 143753), (261, 99140), (290, 89226), (348, 74355), (435, 59484), (522, 49570), (580, 44613), (870, 29742), (1044, 24785), (1305, 19828), (1740, 14871), (2610, 9914), (4957, 5220)]