80314880

素因数分解:

$2^9\times 5^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 80

約数和(自身を含む): 194820120

約数和(自身を除く): 114505240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 229, 256, 274, 320, 458, 512, 548, 640, 685, 916, 1096, 1145, 1280, 1370, 1832, 2192, 2290, 2560, 2740, 3664, 4384, 4580, 5480, 7328, 8768, 9160, 10960, 14656, 17536, 18320, 21920, 29312, 31373, 35072, 36640, 43840, 58624, 62746, 70144, 73280, 87680, 117248, 125492, 146560, 156865, 175360, 250984, 293120, 313730, 350720, 501968, 586240, 627460, 1003936, 1254920, 2007872, 2509840, 4015744, 5019680, 8031488, 10039360, 16062976, 20078720, 40157440, 80314880]

約数ペア:

[(1, 80314880), (2, 40157440), (4, 20078720), (5, 16062976), (8, 10039360), (10, 8031488), (16, 5019680), (20, 4015744), (32, 2509840), (40, 2007872), (64, 1254920), (80, 1003936), (128, 627460), (137, 586240), (160, 501968), (229, 350720), (256, 313730), (274, 293120), (320, 250984), (458, 175360), (512, 156865), (548, 146560), (640, 125492), (685, 117248), (916, 87680), (1096, 73280), (1145, 70144), (1280, 62746), (1370, 58624), (1832, 43840), (2192, 36640), (2290, 35072), (2560, 31373), (2740, 29312), (3664, 21920), (4384, 18320), (4580, 17536), (5480, 14656), (7328, 10960), (8768, 9160)]