40327808

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 87246720

約数和(自身を除く): 46918912

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 128, 136, 172, 272, 344, 431, 544, 688, 731, 862, 1088, 1376, 1462, 1724, 2176, 2752, 2924, 3448, 5504, 5848, 6896, 7327, 11696, 13792, 14654, 18533, 23392, 27584, 29308, 37066, 46784, 55168, 58616, 74132, 93568, 117232, 148264, 234464, 296528, 315061, 468928, 593056, 630122, 937856, 1186112, 1260244, 2372224, 2520488, 5040976, 10081952, 20163904, 40327808]

約数ペア:

[(1, 40327808), (2, 20163904), (4, 10081952), (8, 5040976), (16, 2520488), (17, 2372224), (32, 1260244), (34, 1186112), (43, 937856), (64, 630122), (68, 593056), (86, 468928), (128, 315061), (136, 296528), (172, 234464), (272, 148264), (344, 117232), (431, 93568), (544, 74132), (688, 58616), (731, 55168), (862, 46784), (1088, 37066), (1376, 29308), (1462, 27584), (1724, 23392), (2176, 18533), (2752, 14654), (2924, 13792), (3448, 11696), (5504, 7327), (5848, 6896)]