25855020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 78886080

約数和(自身を除く): 53031060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 601, 717, 956, 1195, 1202, 1434, 1803, 2151, 2390, 2404, 2868, 3005, 3585, 3606, 4302, 4780, 5409, 6010, 7170, 7212, 8604, 9015, 10755, 10818, 12020, 14340, 18030, 21510, 21636, 27045, 36060, 43020, 54090, 108180, 143639, 287278, 430917, 574556, 718195, 861834, 1292751, 1436390, 1723668, 2154585, 2585502, 2872780, 4309170, 5171004, 6463755, 8618340, 12927510, 25855020]

約数ペア:

[(1, 25855020), (2, 12927510), (3, 8618340), (4, 6463755), (5, 5171004), (6, 4309170), (9, 2872780), (10, 2585502), (12, 2154585), (15, 1723668), (18, 1436390), (20, 1292751), (30, 861834), (36, 718195), (45, 574556), (60, 430917), (90, 287278), (180, 143639), (239, 108180), (478, 54090), (601, 43020), (717, 36060), (956, 27045), (1195, 21636), (1202, 21510), (1434, 18030), (1803, 14340), (2151, 12020), (2390, 10818), (2404, 10755), (2868, 9015), (3005, 8604), (3585, 7212), (3606, 7170), (4302, 6010), (4780, 5409)]