64446500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{2113}}^1$

素因数の和:2193

約数の個数: 48

約数和(自身を含む): 143126256

約数和(自身を除く): 78679756

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 1220, 1525, 2113, 3050, 4226, 6100, 7625, 8452, 10565, 15250, 21130, 30500, 42260, 52825, 105650, 128893, 211300, 257786, 264125, 515572, 528250, 644465, 1056500, 1288930, 2577860, 3222325, 6444650, 12889300, 16111625, 32223250, 64446500]

約数ペア:

[(1, 64446500), (2, 32223250), (4, 16111625), (5, 12889300), (10, 6444650), (20, 3222325), (25, 2577860), (50, 1288930), (61, 1056500), (100, 644465), (122, 528250), (125, 515572), (244, 264125), (250, 257786), (305, 211300), (500, 128893), (610, 105650), (1220, 52825), (1525, 42260), (2113, 30500), (3050, 21130), (4226, 15250), (6100, 10565), (7625, 8452)]