28846120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 68682240

約数和(自身を除く): 39836120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 541, 620, 860, 1082, 1240, 1333, 1720, 2164, 2666, 2705, 4328, 5332, 5410, 6665, 10664, 10820, 13330, 16771, 21640, 23263, 26660, 33542, 46526, 53320, 67084, 83855, 93052, 116315, 134168, 167710, 186104, 232630, 335420, 465260, 670840, 721153, 930520, 1442306, 2884612, 3605765, 5769224, 7211530, 14423060, 28846120]

約数ペア:

[(1, 28846120), (2, 14423060), (4, 7211530), (5, 5769224), (8, 3605765), (10, 2884612), (20, 1442306), (31, 930520), (40, 721153), (43, 670840), (62, 465260), (86, 335420), (124, 232630), (155, 186104), (172, 167710), (215, 134168), (248, 116315), (310, 93052), (344, 83855), (430, 67084), (541, 53320), (620, 46526), (860, 33542), (1082, 26660), (1240, 23263), (1333, 21640), (1720, 16771), (2164, 13330), (2666, 10820), (2705, 10664), (4328, 6665), (5332, 5410)]