40866308

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 89187840

約数和(自身を除く): 48321532

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 89, 92, 124, 161, 178, 217, 322, 356, 434, 529, 623, 644, 713, 868, 1058, 1246, 1426, 2047, 2116, 2492, 2759, 2852, 3703, 4094, 4991, 5518, 7406, 8188, 9982, 11036, 14329, 14812, 16399, 19313, 19964, 28658, 32798, 38626, 47081, 57316, 63457, 65596, 77252, 94162, 114793, 126914, 188324, 229586, 253828, 329567, 444199, 459172, 659134, 888398, 1318268, 1459511, 1776796, 2919022, 5838044, 10216577, 20433154, 40866308]

約数ペア:

[(1, 40866308), (2, 20433154), (4, 10216577), (7, 5838044), (14, 2919022), (23, 1776796), (28, 1459511), (31, 1318268), (46, 888398), (62, 659134), (89, 459172), (92, 444199), (124, 329567), (161, 253828), (178, 229586), (217, 188324), (322, 126914), (356, 114793), (434, 94162), (529, 77252), (623, 65596), (644, 63457), (713, 57316), (868, 47081), (1058, 38626), (1246, 32798), (1426, 28658), (2047, 19964), (2116, 19313), (2492, 16399), (2759, 14812), (2852, 14329), (3703, 11036), (4094, 9982), (4991, 8188), (5518, 7406)]