40200320

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2731}}^1$

素因数の和:2773

約数の個数: 64

約数和(自身を含む): 100319040

約数和(自身を除く): 60118720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2731, 2944, 3680, 5462, 7360, 10924, 13655, 14720, 21848, 27310, 43696, 54620, 62813, 87392, 109240, 125626, 174784, 218480, 251252, 314065, 349568, 436960, 502504, 628130, 873920, 1005008, 1256260, 1747840, 2010016, 2512520, 4020032, 5025040, 8040064, 10050080, 20100160, 40200320]

約数ペア:

[(1, 40200320), (2, 20100160), (4, 10050080), (5, 8040064), (8, 5025040), (10, 4020032), (16, 2512520), (20, 2010016), (23, 1747840), (32, 1256260), (40, 1005008), (46, 873920), (64, 628130), (80, 502504), (92, 436960), (115, 349568), (128, 314065), (160, 251252), (184, 218480), (230, 174784), (320, 125626), (368, 109240), (460, 87392), (640, 62813), (736, 54620), (920, 43696), (1472, 27310), (1840, 21848), (2731, 14720), (2944, 13655), (3680, 10924), (5462, 7360)]