39905000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 97843680

約数和(自身を除く): 57938680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 347, 460, 500, 575, 625, 694, 920, 1000, 1150, 1250, 1388, 1735, 2300, 2500, 2776, 2875, 3470, 4600, 5000, 5750, 6940, 7981, 8675, 11500, 13880, 14375, 15962, 17350, 23000, 28750, 31924, 34700, 39905, 43375, 57500, 63848, 69400, 79810, 86750, 115000, 159620, 173500, 199525, 216875, 319240, 347000, 399050, 433750, 798100, 867500, 997625, 1596200, 1735000, 1995250, 3990500, 4988125, 7981000, 9976250, 19952500, 39905000]

約数ペア:

[(1, 39905000), (2, 19952500), (4, 9976250), (5, 7981000), (8, 4988125), (10, 3990500), (20, 1995250), (23, 1735000), (25, 1596200), (40, 997625), (46, 867500), (50, 798100), (92, 433750), (100, 399050), (115, 347000), (125, 319240), (184, 216875), (200, 199525), (230, 173500), (250, 159620), (347, 115000), (460, 86750), (500, 79810), (575, 69400), (625, 63848), (694, 57500), (920, 43375), (1000, 39905), (1150, 34700), (1250, 31924), (1388, 28750), (1735, 23000), (2300, 17350), (2500, 15962), (2776, 14375), (2875, 13880), (3470, 11500), (4600, 8675), (5000, 7981), (5750, 6940)]