2019949880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{104987}}^1$

素因数の和:105048

約数の個数: 64

約数和(自身を含む): 5026825440

約数和(自身を除く): 3006875560

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, 104987, 209974, 419948, 524935, 839896, 1049870, 1364831, 2099740, 2729662, 3884519, 4199480, 5459324, 6824155, 7769038, 10918648, 13648310, 15538076, 19422595, 27296620, 31076152, 38845190, 50498747, 54593240, 77690380, 100997494, 155380760, 201994988, 252493735, 403989976, 504987470, 1009974940, 2019949880]

約数ペア:

[(1, 2019949880), (2, 1009974940), (4, 504987470), (5, 403989976), (8, 252493735), (10, 201994988), (13, 155380760), (20, 100997494), (26, 77690380), (37, 54593240), (40, 50498747), (52, 38845190), (65, 31076152), (74, 27296620), (104, 19422595), (130, 15538076), (148, 13648310), (185, 10918648), (260, 7769038), (296, 6824155), (370, 5459324), (481, 4199480), (520, 3884519), (740, 2729662), (962, 2099740), (1480, 1364831), (1924, 1049870), (2405, 839896), (3848, 524935), (4810, 419948), (9620, 209974), (19240, 104987)]