80423680

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 195218352

約数和(自身を除く): 114794672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 640, 664, 757, 830, 1280, 1328, 1514, 1660, 2656, 3028, 3320, 3785, 5312, 6056, 6640, 7570, 10624, 12112, 13280, 15140, 21248, 24224, 26560, 30280, 48448, 53120, 60560, 62831, 96896, 106240, 121120, 125662, 193792, 242240, 251324, 314155, 484480, 502648, 628310, 968960, 1005296, 1256620, 2010592, 2513240, 4021184, 5026480, 8042368, 10052960, 16084736, 20105920, 40211840, 80423680]

約数ペア:

[(1, 80423680), (2, 40211840), (4, 20105920), (5, 16084736), (8, 10052960), (10, 8042368), (16, 5026480), (20, 4021184), (32, 2513240), (40, 2010592), (64, 1256620), (80, 1005296), (83, 968960), (128, 628310), (160, 502648), (166, 484480), (256, 314155), (320, 251324), (332, 242240), (415, 193792), (640, 125662), (664, 121120), (757, 106240), (830, 96896), (1280, 62831), (1328, 60560), (1514, 53120), (1660, 48448), (2656, 30280), (3028, 26560), (3320, 24224), (3785, 21248), (5312, 15140), (6056, 13280), (6640, 12112), (7570, 10624)]