2013394000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{12743}}^1$

素因数の和:12845

約数の個数: 80

約数和(自身を含む): 4930398720

約数和(自身を除く): 2917004720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 395, 400, 500, 632, 790, 1000, 1264, 1580, 1975, 2000, 3160, 3950, 6320, 7900, 9875, 12743, 15800, 19750, 25486, 31600, 39500, 50972, 63715, 79000, 101944, 127430, 158000, 203888, 254860, 318575, 509720, 637150, 1006697, 1019440, 1274300, 1592875, 2013394, 2548600, 3185750, 4026788, 5033485, 5097200, 6371500, 8053576, 10066970, 12743000, 16107152, 20133940, 25167425, 25486000, 40267880, 50334850, 80535760, 100669700, 125837125, 201339400, 251674250, 402678800, 503348500, 1006697000, 2013394000]

約数ペア:

[(1, 2013394000), (2, 1006697000), (4, 503348500), (5, 402678800), (8, 251674250), (10, 201339400), (16, 125837125), (20, 100669700), (25, 80535760), (40, 50334850), (50, 40267880), (79, 25486000), (80, 25167425), (100, 20133940), (125, 16107152), (158, 12743000), (200, 10066970), (250, 8053576), (316, 6371500), (395, 5097200), (400, 5033485), (500, 4026788), (632, 3185750), (790, 2548600), (1000, 2013394), (1264, 1592875), (1580, 1274300), (1975, 1019440), (2000, 1006697), (3160, 637150), (3950, 509720), (6320, 318575), (7900, 254860), (9875, 203888), (12743, 158000), (15800, 127430), (19750, 101944), (25486, 79000), (31600, 63715), (39500, 50972)]