164638160

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55621}}^1$

素因数の和:55671

約数の個数: 40

約数和(自身を含む): 393136296

約数和(自身を除く): 228498136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 55621, 111242, 222484, 278105, 444968, 556210, 889936, 1112420, 2057977, 2224840, 4115954, 4449680, 8231908, 10289885, 16463816, 20579770, 32927632, 41159540, 82319080, 164638160]

約数ペア:

[(1, 164638160), (2, 82319080), (4, 41159540), (5, 32927632), (8, 20579770), (10, 16463816), (16, 10289885), (20, 8231908), (37, 4449680), (40, 4115954), (74, 2224840), (80, 2057977), (148, 1112420), (185, 889936), (296, 556210), (370, 444968), (592, 278105), (740, 222484), (1480, 111242), (2960, 55621)]