66941440

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:433

約数の個数: 80

約数和(自身を含む): 163025280

約数和(自身を除く): 96083840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 331, 395, 512, 632, 640, 662, 790, 1264, 1280, 1324, 1580, 1655, 2528, 2560, 2648, 3160, 3310, 5056, 5296, 6320, 6620, 10112, 10592, 12640, 13240, 20224, 21184, 25280, 26149, 26480, 40448, 42368, 50560, 52298, 52960, 84736, 101120, 104596, 105920, 130745, 169472, 202240, 209192, 211840, 261490, 418384, 423680, 522980, 836768, 847360, 1045960, 1673536, 2091920, 3347072, 4183840, 6694144, 8367680, 13388288, 16735360, 33470720, 66941440]

約数ペア:

[(1, 66941440), (2, 33470720), (4, 16735360), (5, 13388288), (8, 8367680), (10, 6694144), (16, 4183840), (20, 3347072), (32, 2091920), (40, 1673536), (64, 1045960), (79, 847360), (80, 836768), (128, 522980), (158, 423680), (160, 418384), (256, 261490), (316, 211840), (320, 209192), (331, 202240), (395, 169472), (512, 130745), (632, 105920), (640, 104596), (662, 101120), (790, 84736), (1264, 52960), (1280, 52298), (1324, 50560), (1580, 42368), (1655, 40448), (2528, 26480), (2560, 26149), (2648, 25280), (3160, 21184), (3310, 20224), (5056, 13240), (5296, 12640), (6320, 10592), (6620, 10112)]