28832840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17581}}^1$

素因数の和:17633

約数の個数: 32

約数和(自身を含む): 66459960

約数和(自身を除く): 37627120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17581, 35162, 70324, 87905, 140648, 175810, 351620, 703240, 720821, 1441642, 2883284, 3604105, 5766568, 7208210, 14416420, 28832840]

約数ペア:

[(1, 28832840), (2, 14416420), (4, 7208210), (5, 5766568), (8, 3604105), (10, 2883284), (20, 1441642), (40, 720821), (41, 703240), (82, 351620), (164, 175810), (205, 140648), (328, 87905), (410, 70324), (820, 35162), (1640, 17581)]