40530020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65371}}^1$

素因数の和:65411

約数の個数: 24

約数和(自身を含む): 87859968

約数和(自身を除く): 47329948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 65371, 130742, 261484, 326855, 653710, 1307420, 2026501, 4053002, 8106004, 10132505, 20265010, 40530020]

約数ペア:

[(1, 40530020), (2, 20265010), (4, 10132505), (5, 8106004), (10, 4053002), (20, 2026501), (31, 1307420), (62, 653710), (124, 326855), (155, 261484), (310, 130742), (620, 65371)]