12047500

素因数分解:

$2^2\times 5^4\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 27116320

約数和(自身を除く): 15068820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 79, 100, 122, 125, 158, 244, 250, 305, 316, 395, 500, 610, 625, 790, 1220, 1250, 1525, 1580, 1975, 2500, 3050, 3950, 4819, 6100, 7625, 7900, 9638, 9875, 15250, 19276, 19750, 24095, 30500, 38125, 39500, 48190, 49375, 76250, 96380, 98750, 120475, 152500, 197500, 240950, 481900, 602375, 1204750, 2409500, 3011875, 6023750, 12047500]

約数ペア:

[(1, 12047500), (2, 6023750), (4, 3011875), (5, 2409500), (10, 1204750), (20, 602375), (25, 481900), (50, 240950), (61, 197500), (79, 152500), (100, 120475), (122, 98750), (125, 96380), (158, 76250), (244, 49375), (250, 48190), (305, 39500), (316, 38125), (395, 30500), (500, 24095), (610, 19750), (625, 19276), (790, 15250), (1220, 9875), (1250, 9638), (1525, 7900), (1580, 7625), (1975, 6100), (2500, 4819), (3050, 3950)]