25999120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2731}}^1$

素因数の和:2768

約数の個数: 80

約数和(自身を含む): 73173888

約数和(自身を除く): 47174768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 2731, 4760, 5462, 9520, 10924, 13655, 19117, 21848, 27310, 38234, 43696, 46427, 54620, 76468, 92854, 95585, 109240, 152936, 185708, 191170, 218480, 232135, 305872, 324989, 371416, 382340, 464270, 649978, 742832, 764680, 928540, 1299956, 1529360, 1624945, 1857080, 2599912, 3249890, 3714160, 5199824, 6499780, 12999560, 25999120]

約数ペア:

[(1, 25999120), (2, 12999560), (4, 6499780), (5, 5199824), (7, 3714160), (8, 3249890), (10, 2599912), (14, 1857080), (16, 1624945), (17, 1529360), (20, 1299956), (28, 928540), (34, 764680), (35, 742832), (40, 649978), (56, 464270), (68, 382340), (70, 371416), (80, 324989), (85, 305872), (112, 232135), (119, 218480), (136, 191170), (140, 185708), (170, 152936), (238, 109240), (272, 95585), (280, 92854), (340, 76468), (476, 54620), (560, 46427), (595, 43696), (680, 38234), (952, 27310), (1190, 21848), (1360, 19117), (1904, 13655), (2380, 10924), (2731, 9520), (4760, 5462)]