2631750640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{1787}}^1$

素因数の和:2290

約数の個数: 80

約数和(自身を含む): 6285535200

約数和(自身を除く): 3653784560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 449, 656, 820, 898, 1640, 1787, 1796, 2245, 3280, 3574, 3592, 4490, 7148, 7184, 8935, 8980, 14296, 17870, 17960, 18409, 28592, 35740, 35920, 36818, 71480, 73267, 73636, 92045, 142960, 146534, 147272, 184090, 293068, 294544, 366335, 368180, 586136, 732670, 736360, 802363, 1172272, 1465340, 1472720, 1604726, 2930680, 3209452, 4011815, 5861360, 6418904, 8023630, 12837808, 16047260, 32094520, 32896883, 64189040, 65793766, 131587532, 164484415, 263175064, 328968830, 526350128, 657937660, 1315875320, 2631750640]

約数ペア:

[(1, 2631750640), (2, 1315875320), (4, 657937660), (5, 526350128), (8, 328968830), (10, 263175064), (16, 164484415), (20, 131587532), (40, 65793766), (41, 64189040), (80, 32896883), (82, 32094520), (164, 16047260), (205, 12837808), (328, 8023630), (410, 6418904), (449, 5861360), (656, 4011815), (820, 3209452), (898, 2930680), (1640, 1604726), (1787, 1472720), (1796, 1465340), (2245, 1172272), (3280, 802363), (3574, 736360), (3592, 732670), (4490, 586136), (7148, 368180), (7184, 366335), (8935, 294544), (8980, 293068), (14296, 184090), (17870, 147272), (17960, 146534), (18409, 142960), (28592, 92045), (35740, 73636), (35920, 73267), (36818, 71480)]