40157440

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 97314840

約数和(自身を除く): 57157400

約数列:

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

約数ペア:

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