2580528040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{48397}}^1$

素因数の和:48482

約数の個数: 64

約数和(自身を含む): 6132994560

約数和(自身を除く): 3552466520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 5332, 6665, 10664, 13330, 26660, 48397, 53320, 96794, 193588, 241985, 387176, 483970, 967940, 1500307, 1935880, 2081071, 3000614, 4162142, 6001228, 7501535, 8324284, 10405355, 12002456, 15003070, 16648568, 20810710, 30006140, 41621420, 60012280, 64513201, 83242840, 129026402, 258052804, 322566005, 516105608, 645132010, 1290264020, 2580528040]

約数ペア:

[(1, 2580528040), (2, 1290264020), (4, 645132010), (5, 516105608), (8, 322566005), (10, 258052804), (20, 129026402), (31, 83242840), (40, 64513201), (43, 60012280), (62, 41621420), (86, 30006140), (124, 20810710), (155, 16648568), (172, 15003070), (215, 12002456), (248, 10405355), (310, 8324284), (344, 7501535), (430, 6001228), (620, 4162142), (860, 3000614), (1240, 2081071), (1333, 1935880), (1720, 1500307), (2666, 967940), (5332, 483970), (6665, 387176), (10664, 241985), (13330, 193588), (26660, 96794), (48397, 53320)]