131113880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2459}}^1$

素因数の和:2544

約数の個数: 64

約数和(自身を含む): 311731200

約数和(自身を除く): 180617320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2459, 2666, 4918, 5332, 6665, 9836, 10664, 12295, 13330, 19672, 24590, 26660, 49180, 53320, 76229, 98360, 105737, 152458, 211474, 304916, 381145, 422948, 528685, 609832, 762290, 845896, 1057370, 1524580, 2114740, 3049160, 3277847, 4229480, 6555694, 13111388, 16389235, 26222776, 32778470, 65556940, 131113880]

約数ペア:

[(1, 131113880), (2, 65556940), (4, 32778470), (5, 26222776), (8, 16389235), (10, 13111388), (20, 6555694), (31, 4229480), (40, 3277847), (43, 3049160), (62, 2114740), (86, 1524580), (124, 1057370), (155, 845896), (172, 762290), (215, 609832), (248, 528685), (310, 422948), (344, 381145), (430, 304916), (620, 211474), (860, 152458), (1240, 105737), (1333, 98360), (1720, 76229), (2459, 53320), (2666, 49180), (4918, 26660), (5332, 24590), (6665, 19672), (9836, 13330), (10664, 12295)]