85143940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32009}}^1$

素因数の和:32044

約数の個数: 48

約数和(自身を含む): 215107200

約数和(自身を除く): 129963260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 32009, 64018, 128036, 160045, 224063, 320090, 448126, 608171, 640180, 896252, 1120315, 1216342, 2240630, 2432684, 3040855, 4257197, 4481260, 6081710, 8514394, 12163420, 17028788, 21285985, 42571970, 85143940]

約数ペア:

[(1, 85143940), (2, 42571970), (4, 21285985), (5, 17028788), (7, 12163420), (10, 8514394), (14, 6081710), (19, 4481260), (20, 4257197), (28, 3040855), (35, 2432684), (38, 2240630), (70, 1216342), (76, 1120315), (95, 896252), (133, 640180), (140, 608171), (190, 448126), (266, 320090), (380, 224063), (532, 160045), (665, 128036), (1330, 64018), (2660, 32009)]