40139830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2861}}^1$

素因数の和:2952

約数の個数: 32

約数和(自身を含む): 76655808

約数和(自身を除く): 36515978

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 2806, 2861, 5722, 7015, 14030, 14305, 28610, 65803, 131606, 174521, 329015, 349042, 658030, 872605, 1745210, 4013983, 8027966, 20069915, 40139830]

約数ペア:

[(1, 40139830), (2, 20069915), (5, 8027966), (10, 4013983), (23, 1745210), (46, 872605), (61, 658030), (115, 349042), (122, 329015), (230, 174521), (305, 131606), (610, 65803), (1403, 28610), (2806, 14305), (2861, 14030), (5722, 7015)]