26545840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 66290400

約数和(自身を除く): 39744560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 131, 136, 149, 170, 262, 272, 298, 340, 524, 596, 655, 680, 745, 1048, 1192, 1310, 1360, 1490, 2096, 2227, 2384, 2533, 2620, 2980, 4454, 5066, 5240, 5960, 8908, 10132, 10480, 11135, 11920, 12665, 17816, 19519, 20264, 22270, 25330, 35632, 39038, 40528, 44540, 50660, 78076, 89080, 97595, 101320, 156152, 178160, 195190, 202640, 312304, 331823, 390380, 663646, 780760, 1327292, 1561520, 1659115, 2654584, 3318230, 5309168, 6636460, 13272920, 26545840]

約数ペア:

[(1, 26545840), (2, 13272920), (4, 6636460), (5, 5309168), (8, 3318230), (10, 2654584), (16, 1659115), (17, 1561520), (20, 1327292), (34, 780760), (40, 663646), (68, 390380), (80, 331823), (85, 312304), (131, 202640), (136, 195190), (149, 178160), (170, 156152), (262, 101320), (272, 97595), (298, 89080), (340, 78076), (524, 50660), (596, 44540), (655, 40528), (680, 39038), (745, 35632), (1048, 25330), (1192, 22270), (1310, 20264), (1360, 19519), (1490, 17816), (2096, 12665), (2227, 11920), (2384, 11135), (2533, 10480), (2620, 10132), (2980, 8908), (4454, 5960), (5066, 5240)]