88875280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 225079344

約数和(自身を除く): 136204064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 881, 970, 1040, 1261, 1552, 1762, 1940, 2522, 3524, 3880, 4405, 5044, 6305, 7048, 7760, 8810, 10088, 11453, 12610, 14096, 17620, 20176, 22906, 25220, 35240, 45812, 50440, 57265, 70480, 85457, 91624, 100880, 114530, 170914, 183248, 229060, 341828, 427285, 458120, 683656, 854570, 916240, 1110941, 1367312, 1709140, 2221882, 3418280, 4443764, 5554705, 6836560, 8887528, 11109410, 17775056, 22218820, 44437640, 88875280]

約数ペア:

[(1, 88875280), (2, 44437640), (4, 22218820), (5, 17775056), (8, 11109410), (10, 8887528), (13, 6836560), (16, 5554705), (20, 4443764), (26, 3418280), (40, 2221882), (52, 1709140), (65, 1367312), (80, 1110941), (97, 916240), (104, 854570), (130, 683656), (194, 458120), (208, 427285), (260, 341828), (388, 229060), (485, 183248), (520, 170914), (776, 114530), (881, 100880), (970, 91624), (1040, 85457), (1261, 70480), (1552, 57265), (1762, 50440), (1940, 45812), (2522, 35240), (3524, 25220), (3880, 22906), (4405, 20176), (5044, 17620), (6305, 14096), (7048, 12610), (7760, 11453), (8810, 10088)]