28429480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 66977280

約数和(自身を除く): 38547800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 227, 248, 310, 404, 454, 505, 620, 808, 908, 1010, 1135, 1240, 1816, 2020, 2270, 3131, 4040, 4540, 6262, 7037, 9080, 12524, 14074, 15655, 22927, 25048, 28148, 31310, 35185, 45854, 56296, 62620, 70370, 91708, 114635, 125240, 140740, 183416, 229270, 281480, 458540, 710737, 917080, 1421474, 2842948, 3553685, 5685896, 7107370, 14214740, 28429480]

約数ペア:

[(1, 28429480), (2, 14214740), (4, 7107370), (5, 5685896), (8, 3553685), (10, 2842948), (20, 1421474), (31, 917080), (40, 710737), (62, 458540), (101, 281480), (124, 229270), (155, 183416), (202, 140740), (227, 125240), (248, 114635), (310, 91708), (404, 70370), (454, 62620), (505, 56296), (620, 45854), (808, 35185), (908, 31310), (1010, 28148), (1135, 25048), (1240, 22927), (1816, 15655), (2020, 14074), (2270, 12524), (3131, 9080), (4040, 7037), (4540, 6262)]