526544720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26647}}^1$

素因数の和:26692

約数の個数: 80

約数和(自身を含む): 1387827840

約数和(自身を除く): 861283120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 26647, 53294, 106588, 133235, 213176, 266470, 346411, 426352, 506293, 532940, 692822, 1012586, 1065880, 1385644, 1732055, 2025172, 2131760, 2531465, 2771288, 3464110, 4050344, 5062930, 5542576, 6581809, 6928220, 8100688, 10125860, 13163618, 13856440, 20251720, 26327236, 27712880, 32909045, 40503440, 52654472, 65818090, 105308944, 131636180, 263272360, 526544720]

約数ペア:

[(1, 526544720), (2, 263272360), (4, 131636180), (5, 105308944), (8, 65818090), (10, 52654472), (13, 40503440), (16, 32909045), (19, 27712880), (20, 26327236), (26, 20251720), (38, 13856440), (40, 13163618), (52, 10125860), (65, 8100688), (76, 6928220), (80, 6581809), (95, 5542576), (104, 5062930), (130, 4050344), (152, 3464110), (190, 2771288), (208, 2531465), (247, 2131760), (260, 2025172), (304, 1732055), (380, 1385644), (494, 1065880), (520, 1012586), (760, 692822), (988, 532940), (1040, 506293), (1235, 426352), (1520, 346411), (1976, 266470), (2470, 213176), (3952, 133235), (4940, 106588), (9880, 53294), (19760, 26647)]