2005442080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{404323}}^1$

素因数の和:404369

約数の個数: 48

約数和(自身を含む): 4890703104

約数和(自身を除く): 2885261024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 404323, 808646, 1617292, 2021615, 3234584, 4043230, 6469168, 8086460, 12534013, 12938336, 16172920, 25068026, 32345840, 50136052, 62670065, 64691680, 100272104, 125340130, 200544208, 250680260, 401088416, 501360520, 1002721040, 2005442080]

約数ペア:

[(1, 2005442080), (2, 1002721040), (4, 501360520), (5, 401088416), (8, 250680260), (10, 200544208), (16, 125340130), (20, 100272104), (31, 64691680), (32, 62670065), (40, 50136052), (62, 32345840), (80, 25068026), (124, 16172920), (155, 12938336), (160, 12534013), (248, 8086460), (310, 6469168), (496, 4043230), (620, 3234584), (992, 2021615), (1240, 1617292), (2480, 808646), (4960, 404323)]