80387632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20341}}^1$

素因数の和:20381

約数の個数: 40

約数和(自身を含む): 176568560

約数和(自身を除く): 96180928

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 20341, 40682, 81364, 162728, 264433, 325456, 386479, 528866, 772958, 1057732, 1545916, 2115464, 3091832, 4230928, 5024227, 6183664, 10048454, 20096908, 40193816, 80387632]

約数ペア:

[(1, 80387632), (2, 40193816), (4, 20096908), (8, 10048454), (13, 6183664), (16, 5024227), (19, 4230928), (26, 3091832), (38, 2115464), (52, 1545916), (76, 1057732), (104, 772958), (152, 528866), (208, 386479), (247, 325456), (304, 264433), (494, 162728), (988, 81364), (1976, 40682), (3952, 20341)]