24138580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 28116140

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 191, 284, 355, 356, 382, 445, 710, 764, 890, 955, 1420, 1780, 1910, 3820, 6319, 12638, 13561, 16999, 25276, 27122, 31595, 33998, 54244, 63190, 67805, 67996, 84995, 126380, 135610, 169990, 271220, 339980, 1206929, 2413858, 4827716, 6034645, 12069290, 24138580]

約数ペア:

[(1, 24138580), (2, 12069290), (4, 6034645), (5, 4827716), (10, 2413858), (20, 1206929), (71, 339980), (89, 271220), (142, 169990), (178, 135610), (191, 126380), (284, 84995), (355, 67996), (356, 67805), (382, 63190), (445, 54244), (710, 33998), (764, 31595), (890, 27122), (955, 25276), (1420, 16999), (1780, 13561), (1910, 12638), (3820, 6319)]