25808240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8719}}^1$

素因数の和:8769

約数の個数: 40

約数和(自身を含む): 61632960

約数和(自身を除く): 35824720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 8719, 17438, 34876, 43595, 69752, 87190, 139504, 174380, 322603, 348760, 645206, 697520, 1290412, 1613015, 2580824, 3226030, 5161648, 6452060, 12904120, 25808240]

約数ペア:

[(1, 25808240), (2, 12904120), (4, 6452060), (5, 5161648), (8, 3226030), (10, 2580824), (16, 1613015), (20, 1290412), (37, 697520), (40, 645206), (74, 348760), (80, 322603), (148, 174380), (185, 139504), (296, 87190), (370, 69752), (592, 43595), (740, 34876), (1480, 17438), (2960, 8719)]