40438648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{727}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 80589600

約数和(自身を除く): 40150952

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 409, 727, 818, 1454, 1636, 2908, 3272, 5816, 6953, 12359, 13906, 24718, 27812, 49436, 55624, 98872, 297343, 594686, 1189372, 2378744, 5054831, 10109662, 20219324, 40438648]

約数ペア:

[(1, 40438648), (2, 20219324), (4, 10109662), (8, 5054831), (17, 2378744), (34, 1189372), (68, 594686), (136, 297343), (409, 98872), (727, 55624), (818, 49436), (1454, 27812), (1636, 24718), (2908, 13906), (3272, 12359), (5816, 6953)]