1290291280

素因数分解:

$2^4\times 5^1\times {\mathrm{2417}}^1\times {\mathrm{6673}}^1$

素因数の和:9103

約数の個数: 40

約数和(自身を含む): 3001618152

約数和(自身を除く): 1711326872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2417, 4834, 6673, 9668, 12085, 13346, 19336, 24170, 26692, 33365, 38672, 48340, 53384, 66730, 96680, 106768, 133460, 193360, 266920, 533840, 16128641, 32257282, 64514564, 80643205, 129029128, 161286410, 258058256, 322572820, 645145640, 1290291280]

約数ペア:

[(1, 1290291280), (2, 645145640), (4, 322572820), (5, 258058256), (8, 161286410), (10, 129029128), (16, 80643205), (20, 64514564), (40, 32257282), (80, 16128641), (2417, 533840), (4834, 266920), (6673, 193360), (9668, 133460), (12085, 106768), (13346, 96680), (19336, 66730), (24170, 53384), (26692, 48340), (33365, 38672)]