163936720

素因数分解:

$2^4\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2011}}^1$

素因数の和:3043

約数の個数: 40

約数和(自身を含む): 381716640

約数和(自身を除く): 217779920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1019, 2011, 2038, 4022, 4076, 5095, 8044, 8152, 10055, 10190, 16088, 16304, 20110, 20380, 32176, 40220, 40760, 80440, 81520, 160880, 2049209, 4098418, 8196836, 10246045, 16393672, 20492090, 32787344, 40984180, 81968360, 163936720]

約数ペア:

[(1, 163936720), (2, 81968360), (4, 40984180), (5, 32787344), (8, 20492090), (10, 16393672), (16, 10246045), (20, 8196836), (40, 4098418), (80, 2049209), (1019, 160880), (2011, 81520), (2038, 80440), (4022, 40760), (4076, 40220), (5095, 32176), (8044, 20380), (8152, 20110), (10055, 16304), (10190, 16088)]