13171280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 32569344

約数和(自身を除く): 19398064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 113, 124, 155, 188, 226, 235, 248, 310, 376, 452, 470, 496, 565, 620, 752, 904, 940, 1130, 1240, 1457, 1808, 1880, 2260, 2480, 2914, 3503, 3760, 4520, 5311, 5828, 7006, 7285, 9040, 10622, 11656, 14012, 14570, 17515, 21244, 23312, 26555, 28024, 29140, 35030, 42488, 53110, 56048, 58280, 70060, 84976, 106220, 116560, 140120, 164641, 212440, 280240, 329282, 424880, 658564, 823205, 1317128, 1646410, 2634256, 3292820, 6585640, 13171280]

約数ペア:

[(1, 13171280), (2, 6585640), (4, 3292820), (5, 2634256), (8, 1646410), (10, 1317128), (16, 823205), (20, 658564), (31, 424880), (40, 329282), (47, 280240), (62, 212440), (80, 164641), (94, 140120), (113, 116560), (124, 106220), (155, 84976), (188, 70060), (226, 58280), (235, 56048), (248, 53110), (310, 42488), (376, 35030), (452, 29140), (470, 28024), (496, 26555), (565, 23312), (620, 21244), (752, 17515), (904, 14570), (940, 14012), (1130, 11656), (1240, 10622), (1457, 9040), (1808, 7285), (1880, 7006), (2260, 5828), (2480, 5311), (2914, 4520), (3503, 3760)]