2020565560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{105019}}^1$

素因数の和:105080

約数の個数: 64

約数和(自身を含む): 5028357600

約数和(自身を除く): 3007792040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 105019, 210038, 420076, 525095, 840152, 1050190, 1365247, 2100380, 2730494, 3885703, 4200760, 5460988, 6826235, 7771406, 10921976, 13652470, 15542812, 19428515, 27304940, 31085624, 38857030, 50514139, 54609880, 77714060, 101028278, 155428120, 202056556, 252570695, 404113112, 505141390, 1010282780, 2020565560]

約数ペア:

[(1, 2020565560), (2, 1010282780), (4, 505141390), (5, 404113112), (8, 252570695), (10, 202056556), (13, 155428120), (20, 101028278), (26, 77714060), (37, 54609880), (40, 50514139), (52, 38857030), (65, 31085624), (74, 27304940), (104, 19428515), (130, 15542812), (148, 13652470), (185, 10921976), (260, 7771406), (296, 6826235), (370, 5460988), (481, 4200760), (520, 3885703), (740, 2730494), (962, 2100380), (1480, 1365247), (1924, 1050190), (2405, 840152), (3848, 525095), (4810, 420076), (9620, 210038), (19240, 105019)]