28815922000

素因数分解:

$2^4\times 5^3\times {\mathrm{449}}^1\times {\mathrm{32089}}^1$

素因数の和:32561

約数の個数: 80

約数和(自身を含む): 69834258000

約数和(自身を除く): 41018336000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 449, 500, 898, 1000, 1796, 2000, 2245, 3592, 4490, 7184, 8980, 11225, 17960, 22450, 32089, 35920, 44900, 56125, 64178, 89800, 112250, 128356, 160445, 179600, 224500, 256712, 320890, 449000, 513424, 641780, 802225, 898000, 1283560, 1604450, 2567120, 3208900, 4011125, 6417800, 8022250, 12835600, 14407961, 16044500, 28815922, 32089000, 57631844, 64178000, 72039805, 115263688, 144079610, 230527376, 288159220, 360199025, 576318440, 720398050, 1152636880, 1440796100, 1800995125, 2881592200, 3601990250, 5763184400, 7203980500, 14407961000, 28815922000]

約数ペア:

[(1, 28815922000), (2, 14407961000), (4, 7203980500), (5, 5763184400), (8, 3601990250), (10, 2881592200), (16, 1800995125), (20, 1440796100), (25, 1152636880), (40, 720398050), (50, 576318440), (80, 360199025), (100, 288159220), (125, 230527376), (200, 144079610), (250, 115263688), (400, 72039805), (449, 64178000), (500, 57631844), (898, 32089000), (1000, 28815922), (1796, 16044500), (2000, 14407961), (2245, 12835600), (3592, 8022250), (4490, 6417800), (7184, 4011125), (8980, 3208900), (11225, 2567120), (17960, 1604450), (22450, 1283560), (32089, 898000), (35920, 802225), (44900, 641780), (56125, 513424), (64178, 449000), (89800, 320890), (112250, 256712), (128356, 224500), (160445, 179600)]