81775070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 166320000

約数和(自身を除く): 84544930

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 109, 130, 145, 199, 218, 290, 377, 398, 545, 754, 995, 1090, 1417, 1885, 1990, 2587, 2834, 3161, 3770, 5174, 5771, 6322, 7085, 11542, 12935, 14170, 15805, 21691, 25870, 28855, 31610, 41093, 43382, 57710, 75023, 82186, 108455, 150046, 205465, 216910, 281983, 375115, 410930, 563966, 629039, 750230, 1258078, 1409915, 2819830, 3145195, 6290390, 8177507, 16355014, 40887535, 81775070]

約数ペア:

[(1, 81775070), (2, 40887535), (5, 16355014), (10, 8177507), (13, 6290390), (26, 3145195), (29, 2819830), (58, 1409915), (65, 1258078), (109, 750230), (130, 629039), (145, 563966), (199, 410930), (218, 375115), (290, 281983), (377, 216910), (398, 205465), (545, 150046), (754, 108455), (995, 82186), (1090, 75023), (1417, 57710), (1885, 43382), (1990, 41093), (2587, 31610), (2834, 28855), (3161, 25870), (3770, 21691), (5174, 15805), (5771, 14170), (6322, 12935), (7085, 11542)]