40785820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 88181856

約数和(自身を除く): 47396036

約数列:

[1, 2, 4, 5, 10, 20, 61, 101, 122, 202, 244, 305, 331, 404, 505, 610, 662, 1010, 1220, 1324, 1655, 2020, 3310, 6161, 6620, 12322, 20191, 24644, 30805, 33431, 40382, 61610, 66862, 80764, 100955, 123220, 133724, 167155, 201910, 334310, 403820, 668620, 2039291, 4078582, 8157164, 10196455, 20392910, 40785820]

約数ペア:

[(1, 40785820), (2, 20392910), (4, 10196455), (5, 8157164), (10, 4078582), (20, 2039291), (61, 668620), (101, 403820), (122, 334310), (202, 201910), (244, 167155), (305, 133724), (331, 123220), (404, 100955), (505, 80764), (610, 66862), (662, 61610), (1010, 40382), (1220, 33431), (1324, 30805), (1655, 24644), (2020, 20191), (3310, 12322), (6161, 6620)]