85001020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19231}}^1$

素因数の和:19270

約数の個数: 48

約数和(自身を含む): 203551488

約数和(自身を除く): 118550468

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 19231, 38462, 76924, 96155, 192310, 250003, 326927, 384620, 500006, 653854, 1000012, 1250015, 1307708, 1634635, 2500030, 3269270, 4250051, 5000060, 6538540, 8500102, 17000204, 21250255, 42500510, 85001020]

約数ペア:

[(1, 85001020), (2, 42500510), (4, 21250255), (5, 17000204), (10, 8500102), (13, 6538540), (17, 5000060), (20, 4250051), (26, 3269270), (34, 2500030), (52, 1634635), (65, 1307708), (68, 1250015), (85, 1000012), (130, 653854), (170, 500006), (221, 384620), (260, 326927), (340, 250003), (442, 192310), (884, 96155), (1105, 76924), (2210, 38462), (4420, 19231)]