140402720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28307}}^1$

素因数の和:28353

約数の個数: 48

約数和(自身を含む): 342413568

約数和(自身を除く): 202010848

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, 28307, 56614, 113228, 141535, 226456, 283070, 452912, 566140, 877517, 905824, 1132280, 1755034, 2264560, 3510068, 4387585, 4529120, 7020136, 8775170, 14040272, 17550340, 28080544, 35100680, 70201360, 140402720]

約数ペア:

[(1, 140402720), (2, 70201360), (4, 35100680), (5, 28080544), (8, 17550340), (10, 14040272), (16, 8775170), (20, 7020136), (31, 4529120), (32, 4387585), (40, 3510068), (62, 2264560), (80, 1755034), (124, 1132280), (155, 905824), (160, 877517), (248, 566140), (310, 452912), (496, 283070), (620, 226456), (992, 141535), (1240, 113228), (2480, 56614), (4960, 28307)]