26155460

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 56548800

約数和(自身を除く): 30393340

約数列:

[1, 2, 4, 5, 10, 20, 67, 131, 134, 149, 262, 268, 298, 335, 524, 596, 655, 670, 745, 1310, 1340, 1490, 2620, 2980, 8777, 9983, 17554, 19519, 19966, 35108, 39038, 39932, 43885, 49915, 78076, 87770, 97595, 99830, 175540, 195190, 199660, 390380, 1307773, 2615546, 5231092, 6538865, 13077730, 26155460]

約数ペア:

[(1, 26155460), (2, 13077730), (4, 6538865), (5, 5231092), (10, 2615546), (20, 1307773), (67, 390380), (131, 199660), (134, 195190), (149, 175540), (262, 99830), (268, 97595), (298, 87770), (335, 78076), (524, 49915), (596, 43885), (655, 39932), (670, 39038), (745, 35108), (1310, 19966), (1340, 19519), (1490, 17554), (2620, 9983), (2980, 8777)]