64653040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 160784352

約数和(自身を除く): 96131312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 340, 347, 548, 680, 685, 694, 1096, 1360, 1370, 1388, 1735, 2192, 2329, 2740, 2776, 3470, 4658, 5480, 5552, 5899, 6940, 9316, 10960, 11645, 11798, 13880, 18632, 23290, 23596, 27760, 29495, 37264, 46580, 47192, 47539, 58990, 93160, 94384, 95078, 117980, 186320, 190156, 235960, 237695, 380312, 471920, 475390, 760624, 808163, 950780, 1616326, 1901560, 3232652, 3803120, 4040815, 6465304, 8081630, 12930608, 16163260, 32326520, 64653040]

約数ペア:

[(1, 64653040), (2, 32326520), (4, 16163260), (5, 12930608), (8, 8081630), (10, 6465304), (16, 4040815), (17, 3803120), (20, 3232652), (34, 1901560), (40, 1616326), (68, 950780), (80, 808163), (85, 760624), (136, 475390), (137, 471920), (170, 380312), (272, 237695), (274, 235960), (340, 190156), (347, 186320), (548, 117980), (680, 95078), (685, 94384), (694, 93160), (1096, 58990), (1360, 47539), (1370, 47192), (1388, 46580), (1735, 37264), (2192, 29495), (2329, 27760), (2740, 23596), (2776, 23290), (3470, 18632), (4658, 13880), (5480, 11798), (5552, 11645), (5899, 10960), (6940, 9316)]