172239160

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{13009}}^1$

素因数の和:13351

約数の個数: 32

約数和(自身を含む): 388738800

約数和(自身を除く): 216499640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13009, 13240, 26018, 52036, 65045, 104072, 130090, 260180, 520360, 4305979, 8611958, 17223916, 21529895, 34447832, 43059790, 86119580, 172239160]

約数ペア:

[(1, 172239160), (2, 86119580), (4, 43059790), (5, 34447832), (8, 21529895), (10, 17223916), (20, 8611958), (40, 4305979), (331, 520360), (662, 260180), (1324, 130090), (1655, 104072), (2648, 65045), (3310, 52036), (6620, 26018), (13009, 13240)]