40750720

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1613

約数の個数: 64

約数和(自身を含む): 99860040

約数和(自身を除く): 59109320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1553, 1640, 2624, 3106, 3280, 5248, 6212, 6560, 7765, 12424, 13120, 15530, 24848, 26240, 31060, 49696, 62120, 63673, 99392, 124240, 127346, 198784, 248480, 254692, 318365, 496960, 509384, 636730, 993920, 1018768, 1273460, 2037536, 2546920, 4075072, 5093840, 8150144, 10187680, 20375360, 40750720]

約数ペア:

[(1, 40750720), (2, 20375360), (4, 10187680), (5, 8150144), (8, 5093840), (10, 4075072), (16, 2546920), (20, 2037536), (32, 1273460), (40, 1018768), (41, 993920), (64, 636730), (80, 509384), (82, 496960), (128, 318365), (160, 254692), (164, 248480), (205, 198784), (320, 127346), (328, 124240), (410, 99392), (640, 63673), (656, 62120), (820, 49696), (1312, 31060), (1553, 26240), (1640, 24848), (2624, 15530), (3106, 13120), (3280, 12424), (5248, 7765), (6212, 6560)]