64941280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13093}}^1$

素因数の和:13139

約数の個数: 48

約数和(自身を含む): 158385024

約数和(自身を除く): 93443744

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, 13093, 26186, 52372, 65465, 104744, 130930, 209488, 261860, 405883, 418976, 523720, 811766, 1047440, 1623532, 2029415, 2094880, 3247064, 4058830, 6494128, 8117660, 12988256, 16235320, 32470640, 64941280]

約数ペア:

[(1, 64941280), (2, 32470640), (4, 16235320), (5, 12988256), (8, 8117660), (10, 6494128), (16, 4058830), (20, 3247064), (31, 2094880), (32, 2029415), (40, 1623532), (62, 1047440), (80, 811766), (124, 523720), (155, 418976), (160, 405883), (248, 261860), (310, 209488), (496, 130930), (620, 104744), (992, 65465), (1240, 52372), (2480, 26186), (4960, 13093)]