1191440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:347

約数の個数: 40

約数和(自身を含む): 2832408

約数和(自身を除く): 1640968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 281, 424, 530, 562, 848, 1060, 1124, 1405, 2120, 2248, 2810, 4240, 4496, 5620, 11240, 14893, 22480, 29786, 59572, 74465, 119144, 148930, 238288, 297860, 595720, 1191440]

約数ペア:

[(1, 1191440), (2, 595720), (4, 297860), (5, 238288), (8, 148930), (10, 119144), (16, 74465), (20, 59572), (40, 29786), (53, 22480), (80, 14893), (106, 11240), (212, 5620), (265, 4496), (281, 4240), (424, 2810), (530, 2248), (562, 2120), (848, 1405), (1060, 1124)]