1878640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1057

約数の個数: 40

約数和(自身を含む): 4562208

約数和(自身を除く): 2683568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1021, 1840, 2042, 4084, 5105, 8168, 10210, 16336, 20420, 23483, 40840, 46966, 81680, 93932, 117415, 187864, 234830, 375728, 469660, 939320, 1878640]

約数ペア:

[(1, 1878640), (2, 939320), (4, 469660), (5, 375728), (8, 234830), (10, 187864), (16, 117415), (20, 93932), (23, 81680), (40, 46966), (46, 40840), (80, 23483), (92, 20420), (115, 16336), (184, 10210), (230, 8168), (368, 5105), (460, 4084), (920, 2042), (1021, 1840)]