15878200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 41247360

約数和(自身を除く): 25369160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 197, 200, 248, 260, 310, 325, 394, 403, 520, 620, 650, 775, 788, 806, 985, 1240, 1300, 1550, 1576, 1612, 1970, 2015, 2561, 2600, 3100, 3224, 3940, 4030, 4925, 5122, 6107, 6200, 7880, 8060, 9850, 10075, 10244, 12214, 12805, 16120, 19700, 20150, 20488, 24428, 25610, 30535, 39400, 40300, 48856, 51220, 61070, 64025, 79391, 80600, 102440, 122140, 128050, 152675, 158782, 244280, 256100, 305350, 317564, 396955, 512200, 610700, 635128, 793910, 1221400, 1587820, 1984775, 3175640, 3969550, 7939100, 15878200]

約数ペア:

[(1, 15878200), (2, 7939100), (4, 3969550), (5, 3175640), (8, 1984775), (10, 1587820), (13, 1221400), (20, 793910), (25, 635128), (26, 610700), (31, 512200), (40, 396955), (50, 317564), (52, 305350), (62, 256100), (65, 244280), (100, 158782), (104, 152675), (124, 128050), (130, 122140), (155, 102440), (197, 80600), (200, 79391), (248, 64025), (260, 61070), (310, 51220), (325, 48856), (394, 40300), (403, 39400), (520, 30535), (620, 25610), (650, 24428), (775, 20488), (788, 20150), (806, 19700), (985, 16120), (1240, 12805), (1300, 12214), (1550, 10244), (1576, 10075), (1612, 9850), (1970, 8060), (2015, 7880), (2561, 6200), (2600, 6107), (3100, 5122), (3224, 4925), (3940, 4030)]