15228440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12281}}^1$

素因数の和:12323

約数の個数: 32

約数和(自身を含む): 35372160

約数和(自身を除く): 20143720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12281, 24562, 49124, 61405, 98248, 122810, 245620, 380711, 491240, 761422, 1522844, 1903555, 3045688, 3807110, 7614220, 15228440]

約数ペア:

[(1, 15228440), (2, 7614220), (4, 3807110), (5, 3045688), (8, 1903555), (10, 1522844), (20, 761422), (31, 491240), (40, 380711), (62, 245620), (124, 122810), (155, 98248), (248, 61405), (310, 49124), (620, 24562), (1240, 12281)]