25813320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16547}}^1$

素因数の和:16574

約数の個数: 64

約数和(自身を含む): 83401920

約数和(自身を除く): 57588600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16547, 33094, 49641, 66188, 82735, 99282, 132376, 165470, 198564, 215111, 248205, 330940, 397128, 430222, 496410, 645333, 661880, 860444, 992820, 1075555, 1290666, 1720888, 1985640, 2151110, 2581332, 3226665, 4302220, 5162664, 6453330, 8604440, 12906660, 25813320]

約数ペア:

[(1, 25813320), (2, 12906660), (3, 8604440), (4, 6453330), (5, 5162664), (6, 4302220), (8, 3226665), (10, 2581332), (12, 2151110), (13, 1985640), (15, 1720888), (20, 1290666), (24, 1075555), (26, 992820), (30, 860444), (39, 661880), (40, 645333), (52, 496410), (60, 430222), (65, 397128), (78, 330940), (104, 248205), (120, 215111), (130, 198564), (156, 165470), (195, 132376), (260, 99282), (312, 82735), (390, 66188), (520, 49641), (780, 33094), (1560, 16547)]