28486520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22973}}^1$

素因数の和:23015

約数の個数: 32

約数和(自身を含む): 66165120

約数和(自身を除く): 37678600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22973, 45946, 91892, 114865, 183784, 229730, 459460, 712163, 918920, 1424326, 2848652, 3560815, 5697304, 7121630, 14243260, 28486520]

約数ペア:

[(1, 28486520), (2, 14243260), (4, 7121630), (5, 5697304), (8, 3560815), (10, 2848652), (20, 1424326), (31, 918920), (40, 712163), (62, 459460), (124, 229730), (155, 183784), (248, 114865), (310, 91892), (620, 45946), (1240, 22973)]