40022980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 86526720

約数和(自身を除く): 46503740

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 347, 365, 395, 694, 730, 790, 1388, 1460, 1580, 1735, 3470, 5767, 6940, 11534, 23068, 25331, 27413, 28835, 50662, 54826, 57670, 101324, 109652, 115340, 126655, 137065, 253310, 274130, 506620, 548260, 2001149, 4002298, 8004596, 10005745, 20011490, 40022980]

約数ペア:

[(1, 40022980), (2, 20011490), (4, 10005745), (5, 8004596), (10, 4002298), (20, 2001149), (73, 548260), (79, 506620), (146, 274130), (158, 253310), (292, 137065), (316, 126655), (347, 115340), (365, 109652), (395, 101324), (694, 57670), (730, 54826), (790, 50662), (1388, 28835), (1460, 27413), (1580, 25331), (1735, 23068), (3470, 11534), (5767, 6940)]