172277960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{26423}}^1$

素因数の和:26597

約数の個数: 32

約数和(自身を含む): 390018240

約数和(自身を除く): 217740280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 26423, 52846, 105692, 132115, 211384, 264230, 528460, 1056920, 4306949, 8613898, 17227796, 21534745, 34455592, 43069490, 86138980, 172277960]

約数ペア:

[(1, 172277960), (2, 86138980), (4, 43069490), (5, 34455592), (8, 21534745), (10, 17227796), (20, 8613898), (40, 4306949), (163, 1056920), (326, 528460), (652, 264230), (815, 211384), (1304, 132115), (1630, 105692), (3260, 52846), (6520, 26423)]