85061720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25621}}^1$

素因数の和:25715

約数の個数: 32

約数和(自身を含む): 193702320

約数和(自身を除く): 108640600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 25621, 51242, 102484, 128105, 204968, 256210, 512420, 1024840, 2126543, 4253086, 8506172, 10632715, 17012344, 21265430, 42530860, 85061720]

約数ペア:

[(1, 85061720), (2, 42530860), (4, 21265430), (5, 17012344), (8, 10632715), (10, 8506172), (20, 4253086), (40, 2126543), (83, 1024840), (166, 512420), (332, 256210), (415, 204968), (664, 128105), (830, 102484), (1660, 51242), (3320, 25621)]