11351920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 60

約数和(自身を含む): 28094184

約数和(自身を除く): 16742264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 491, 578, 680, 982, 1156, 1360, 1445, 1964, 2312, 2455, 2890, 3928, 4624, 4910, 5780, 7856, 8347, 9820, 11560, 16694, 19640, 23120, 33388, 39280, 41735, 66776, 83470, 133552, 141899, 166940, 283798, 333880, 567596, 667760, 709495, 1135192, 1418990, 2270384, 2837980, 5675960, 11351920]

約数ペア:

[(1, 11351920), (2, 5675960), (4, 2837980), (5, 2270384), (8, 1418990), (10, 1135192), (16, 709495), (17, 667760), (20, 567596), (34, 333880), (40, 283798), (68, 166940), (80, 141899), (85, 133552), (136, 83470), (170, 66776), (272, 41735), (289, 39280), (340, 33388), (491, 23120), (578, 19640), (680, 16694), (982, 11560), (1156, 9820), (1360, 8347), (1445, 7856), (1964, 5780), (2312, 4910), (2455, 4624), (2890, 3928)]