64688750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{7393}}^1$

素因数の和:7422

約数の個数: 40

約数和(自身を含む): 138593136

約数和(自身を除く): 73904386

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 4375, 7393, 8750, 14786, 36965, 51751, 73930, 103502, 184825, 258755, 369650, 517510, 924125, 1293775, 1848250, 2587550, 4620625, 6468875, 9241250, 12937750, 32344375, 64688750]

約数ペア:

[(1, 64688750), (2, 32344375), (5, 12937750), (7, 9241250), (10, 6468875), (14, 4620625), (25, 2587550), (35, 1848250), (50, 1293775), (70, 924125), (125, 517510), (175, 369650), (250, 258755), (350, 184825), (625, 103502), (875, 73930), (1250, 51751), (1750, 36965), (4375, 14786), (7393, 8750)]