81940160

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13477}}^1$

素因数の和:13513

約数の個数: 56

約数和(自身を含む): 205404720

約数和(自身を除く): 123464560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 13477, 26954, 53908, 67385, 107816, 134770, 215632, 256063, 269540, 431264, 512126, 539080, 862528, 1024252, 1078160, 1280315, 2048504, 2156320, 2560630, 4097008, 4312640, 5121260, 8194016, 10242520, 16388032, 20485040, 40970080, 81940160]

約数ペア:

[(1, 81940160), (2, 40970080), (4, 20485040), (5, 16388032), (8, 10242520), (10, 8194016), (16, 5121260), (19, 4312640), (20, 4097008), (32, 2560630), (38, 2156320), (40, 2048504), (64, 1280315), (76, 1078160), (80, 1024252), (95, 862528), (152, 539080), (160, 512126), (190, 431264), (304, 269540), (320, 256063), (380, 215632), (608, 134770), (760, 107816), (1216, 67385), (1520, 53908), (3040, 26954), (6080, 13477)]