129270440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248597}}^1$

素因数の和:248621

約数の個数: 32

約数和(自身を含む): 313233480

約数和(自身を除く): 183963040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 248597, 497194, 994388, 1242985, 1988776, 2485970, 3231761, 4971940, 6463522, 9943880, 12927044, 16158805, 25854088, 32317610, 64635220, 129270440]

約数ペア:

[(1, 129270440), (2, 64635220), (4, 32317610), (5, 25854088), (8, 16158805), (10, 12927044), (13, 9943880), (20, 6463522), (26, 4971940), (40, 3231761), (52, 2485970), (65, 1988776), (104, 1242985), (130, 994388), (260, 497194), (520, 248597)]