1330561520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{405659}}^1$

素因数の和:405713

約数の個数: 40

約数和(自身を含む): 3169015920

約数和(自身を除く): 1838454400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 405659, 811318, 1622636, 2028295, 3245272, 4056590, 6490544, 8113180, 16226360, 16632019, 32452720, 33264038, 66528076, 83160095, 133056152, 166320190, 266112304, 332640380, 665280760, 1330561520]

約数ペア:

[(1, 1330561520), (2, 665280760), (4, 332640380), (5, 266112304), (8, 166320190), (10, 133056152), (16, 83160095), (20, 66528076), (40, 33264038), (41, 32452720), (80, 16632019), (82, 16226360), (164, 8113180), (205, 6490544), (328, 4056590), (410, 3245272), (656, 2028295), (820, 1622636), (1640, 811318), (3280, 405659)]