1572244640

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{25261}}^1$

素因数の和:25665

約数の個数: 48

約数和(自身を含む): 3724124040

約数和(自身を除く): 2151879400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 12448, 15560, 25261, 31120, 50522, 62240, 101044, 126305, 202088, 252610, 404176, 505220, 808352, 1010440, 2020880, 4041760, 9826529, 19653058, 39306116, 49132645, 78612232, 98265290, 157224464, 196530580, 314448928, 393061160, 786122320, 1572244640]

約数ペア:

[(1, 1572244640), (2, 786122320), (4, 393061160), (5, 314448928), (8, 196530580), (10, 157224464), (16, 98265290), (20, 78612232), (32, 49132645), (40, 39306116), (80, 19653058), (160, 9826529), (389, 4041760), (778, 2020880), (1556, 1010440), (1945, 808352), (3112, 505220), (3890, 404176), (6224, 252610), (7780, 202088), (12448, 126305), (15560, 101044), (25261, 62240), (31120, 50522)]