9900280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 24393600

約数和(自身を除く): 14493320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 241, 260, 316, 395, 482, 520, 632, 790, 964, 1027, 1205, 1580, 1928, 2054, 2410, 3133, 3160, 4108, 4820, 5135, 6266, 8216, 9640, 10270, 12532, 15665, 19039, 20540, 25064, 31330, 38078, 41080, 62660, 76156, 95195, 125320, 152312, 190390, 247507, 380780, 495014, 761560, 990028, 1237535, 1980056, 2475070, 4950140, 9900280]

約数ペア:

[(1, 9900280), (2, 4950140), (4, 2475070), (5, 1980056), (8, 1237535), (10, 990028), (13, 761560), (20, 495014), (26, 380780), (40, 247507), (52, 190390), (65, 152312), (79, 125320), (104, 95195), (130, 76156), (158, 62660), (241, 41080), (260, 38078), (316, 31330), (395, 25064), (482, 20540), (520, 19039), (632, 15665), (790, 12532), (964, 10270), (1027, 9640), (1205, 8216), (1580, 6266), (1928, 5135), (2054, 4820), (2410, 4108), (3133, 3160)]