39768340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 87275664

約数和(自身を除く): 47507324

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 881, 1220, 1762, 2257, 3524, 4405, 4514, 8810, 9028, 11285, 17620, 22570, 32597, 45140, 53741, 65194, 107482, 130388, 162985, 214964, 268705, 325970, 537410, 651940, 1074820, 1988417, 3976834, 7953668, 9942085, 19884170, 39768340]

約数ペア:

[(1, 39768340), (2, 19884170), (4, 9942085), (5, 7953668), (10, 3976834), (20, 1988417), (37, 1074820), (61, 651940), (74, 537410), (122, 325970), (148, 268705), (185, 214964), (244, 162985), (305, 130388), (370, 107482), (610, 65194), (740, 53741), (881, 45140), (1220, 32597), (1762, 22570), (2257, 17620), (3524, 11285), (4405, 9028), (4514, 8810)]