51561280

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2731}}^1$

素因数の和:2807

約数の個数: 56

約数和(自身を含む): 124907040

約数和(自身を除く): 73345760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1180, 1888, 2360, 2731, 3776, 4720, 5462, 9440, 10924, 13655, 18880, 21848, 27310, 43696, 54620, 87392, 109240, 161129, 174784, 218480, 322258, 436960, 644516, 805645, 873920, 1289032, 1611290, 2578064, 3222580, 5156128, 6445160, 10312256, 12890320, 25780640, 51561280]

約数ペア:

[(1, 51561280), (2, 25780640), (4, 12890320), (5, 10312256), (8, 6445160), (10, 5156128), (16, 3222580), (20, 2578064), (32, 1611290), (40, 1289032), (59, 873920), (64, 805645), (80, 644516), (118, 436960), (160, 322258), (236, 218480), (295, 174784), (320, 161129), (472, 109240), (590, 87392), (944, 54620), (1180, 43696), (1888, 27310), (2360, 21848), (2731, 18880), (3776, 13655), (4720, 10924), (5462, 9440)]