250480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 607104

約数和(自身を除く): 356624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 101, 124, 155, 202, 248, 310, 404, 496, 505, 620, 808, 1010, 1240, 1616, 2020, 2480, 3131, 4040, 6262, 8080, 12524, 15655, 25048, 31310, 50096, 62620, 125240, 250480]

約数ペア:

[(1, 250480), (2, 125240), (4, 62620), (5, 50096), (8, 31310), (10, 25048), (16, 15655), (20, 12524), (31, 8080), (40, 6262), (62, 4040), (80, 3131), (101, 2480), (124, 2020), (155, 1616), (202, 1240), (248, 1010), (310, 808), (404, 620), (496, 505)]