15691921250

素因数分解:

$2^1\times 5^4\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:829

約数の個数: 80

約数和(自身を含む): 29870288448

約数和(自身を除く): 14178367198

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 206, 250, 307, 397, 515, 614, 625, 794, 1030, 1250, 1535, 1985, 2575, 3070, 3970, 5150, 7675, 9925, 12875, 15350, 19850, 25750, 31621, 38375, 40891, 49625, 63242, 64375, 76750, 81782, 99250, 121879, 128750, 158105, 191875, 204455, 243758, 248125, 316210, 383750, 408910, 496250, 609395, 790525, 1022275, 1218790, 1581050, 2044550, 3046975, 3952625, 5111375, 6093950, 7905250, 10222750, 12553537, 15234875, 19763125, 25107074, 25556875, 30469750, 39526250, 51113750, 62767685, 76174375, 125535370, 152348750, 313838425, 627676850, 1569192125, 3138384250, 7845960625, 15691921250]

約数ペア:

[(1, 15691921250), (2, 7845960625), (5, 3138384250), (10, 1569192125), (25, 627676850), (50, 313838425), (103, 152348750), (125, 125535370), (206, 76174375), (250, 62767685), (307, 51113750), (397, 39526250), (515, 30469750), (614, 25556875), (625, 25107074), (794, 19763125), (1030, 15234875), (1250, 12553537), (1535, 10222750), (1985, 7905250), (2575, 6093950), (3070, 5111375), (3970, 3952625), (5150, 3046975), (7675, 2044550), (9925, 1581050), (12875, 1218790), (15350, 1022275), (19850, 790525), (25750, 609395), (31621, 496250), (38375, 408910), (40891, 383750), (49625, 316210), (63242, 248125), (64375, 243758), (76750, 204455), (81782, 191875), (99250, 158105), (121879, 128750)]