1664816320

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{31153}}^1$

素因数の和:31337

約数の個数: 56

約数和(自身を含む): 3988210464

約数和(自身を除く): 2323394144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 668, 835, 1336, 1670, 2672, 3340, 5344, 6680, 10688, 13360, 26720, 31153, 53440, 62306, 124612, 155765, 249224, 311530, 498448, 623060, 996896, 1246120, 1993792, 2492240, 4984480, 5202551, 9968960, 10405102, 20810204, 26012755, 41620408, 52025510, 83240816, 104051020, 166481632, 208102040, 332963264, 416204080, 832408160, 1664816320]

約数ペア:

[(1, 1664816320), (2, 832408160), (4, 416204080), (5, 332963264), (8, 208102040), (10, 166481632), (16, 104051020), (20, 83240816), (32, 52025510), (40, 41620408), (64, 26012755), (80, 20810204), (160, 10405102), (167, 9968960), (320, 5202551), (334, 4984480), (668, 2492240), (835, 1993792), (1336, 1246120), (1670, 996896), (2672, 623060), (3340, 498448), (5344, 311530), (6680, 249224), (10688, 155765), (13360, 124612), (26720, 62306), (31153, 53440)]