64243750

素因数分解:

$2^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 127023120

約数和(自身を除く): 62779370

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 541, 625, 950, 1082, 1250, 2375, 2705, 3125, 4750, 5410, 6250, 10279, 11875, 13525, 20558, 23750, 27050, 51395, 59375, 67625, 102790, 118750, 135250, 256975, 338125, 513950, 676250, 1284875, 1690625, 2569750, 3381250, 6424375, 12848750, 32121875, 64243750]

約数ペア:

[(1, 64243750), (2, 32121875), (5, 12848750), (10, 6424375), (19, 3381250), (25, 2569750), (38, 1690625), (50, 1284875), (95, 676250), (125, 513950), (190, 338125), (250, 256975), (475, 135250), (541, 118750), (625, 102790), (950, 67625), (1082, 59375), (1250, 51395), (2375, 27050), (2705, 23750), (3125, 20558), (4750, 13525), (5410, 11875), (6250, 10279)]