1808720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1019

約数の個数: 40

約数和(自身を含む): 4392576

約数和(自身を除く): 2583856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 983, 1840, 1966, 3932, 4915, 7864, 9830, 15728, 19660, 22609, 39320, 45218, 78640, 90436, 113045, 180872, 226090, 361744, 452180, 904360, 1808720]

約数ペア:

[(1, 1808720), (2, 904360), (4, 452180), (5, 361744), (8, 226090), (10, 180872), (16, 113045), (20, 90436), (23, 78640), (40, 45218), (46, 39320), (80, 22609), (92, 19660), (115, 15728), (184, 9830), (230, 7864), (368, 4915), (460, 3932), (920, 1966), (983, 1840)]