80422400

素因数分解:

$2^9\times 5^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 120

約数和(自身を含む): 204485424

約数和(自身を除く): 124063024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 103, 122, 128, 160, 200, 206, 244, 256, 305, 320, 400, 412, 488, 512, 515, 610, 640, 800, 824, 976, 1030, 1220, 1280, 1525, 1600, 1648, 1952, 2060, 2440, 2560, 2575, 3050, 3200, 3296, 3904, 4120, 4880, 5150, 6100, 6283, 6400, 6592, 7808, 8240, 9760, 10300, 12200, 12566, 12800, 13184, 15616, 16480, 19520, 20600, 24400, 25132, 26368, 31232, 31415, 32960, 39040, 41200, 48800, 50264, 52736, 62830, 65920, 78080, 82400, 97600, 100528, 125660, 131840, 156160, 157075, 164800, 195200, 201056, 251320, 263680, 314150, 329600, 390400, 402112, 502640, 628300, 659200, 780800, 804224, 1005280, 1256600, 1318400, 1608448, 2010560, 2513200, 3216896, 4021120, 5026400, 8042240, 10052800, 16084480, 20105600, 40211200, 80422400]

約数ペア:

[(1, 80422400), (2, 40211200), (4, 20105600), (5, 16084480), (8, 10052800), (10, 8042240), (16, 5026400), (20, 4021120), (25, 3216896), (32, 2513200), (40, 2010560), (50, 1608448), (61, 1318400), (64, 1256600), (80, 1005280), (100, 804224), (103, 780800), (122, 659200), (128, 628300), (160, 502640), (200, 402112), (206, 390400), (244, 329600), (256, 314150), (305, 263680), (320, 251320), (400, 201056), (412, 195200), (488, 164800), (512, 157075), (515, 156160), (610, 131840), (640, 125660), (800, 100528), (824, 97600), (976, 82400), (1030, 78080), (1220, 65920), (1280, 62830), (1525, 52736), (1600, 50264), (1648, 48800), (1952, 41200), (2060, 39040), (2440, 32960), (2560, 31415), (2575, 31232), (3050, 26368), (3200, 25132), (3296, 24400), (3904, 20600), (4120, 19520), (4880, 16480), (5150, 15616), (6100, 13184), (6283, 12800), (6400, 12566), (6592, 12200), (7808, 10300), (8240, 9760)]