28123940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4703}}^1$

素因数の和:4748

約数の個数: 48

約数和(自身を含む): 66382848

約数和(自身を除く): 38258908

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 4703, 5980, 9406, 18812, 23515, 47030, 61139, 94060, 108169, 122278, 216338, 244556, 305695, 432676, 540845, 611390, 1081690, 1222780, 1406197, 2163380, 2812394, 5624788, 7030985, 14061970, 28123940]

約数ペア:

[(1, 28123940), (2, 14061970), (4, 7030985), (5, 5624788), (10, 2812394), (13, 2163380), (20, 1406197), (23, 1222780), (26, 1081690), (46, 611390), (52, 540845), (65, 432676), (92, 305695), (115, 244556), (130, 216338), (230, 122278), (260, 108169), (299, 94060), (460, 61139), (598, 47030), (1196, 23515), (1495, 18812), (2990, 9406), (4703, 5980)]