397647520

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{60617}}^1$

素因数の和:60673

約数の個数: 48

約数和(自身を含む): 962371368

約数和(自身を除く): 564723848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 60617, 121234, 242468, 303085, 484936, 606170, 969872, 1212340, 1939744, 2424680, 2485297, 4849360, 4970594, 9698720, 9941188, 12426485, 19882376, 24852970, 39764752, 49705940, 79529504, 99411880, 198823760, 397647520]

約数ペア:

[(1, 397647520), (2, 198823760), (4, 99411880), (5, 79529504), (8, 49705940), (10, 39764752), (16, 24852970), (20, 19882376), (32, 12426485), (40, 9941188), (41, 9698720), (80, 4970594), (82, 4849360), (160, 2485297), (164, 2424680), (205, 1939744), (328, 1212340), (410, 969872), (656, 606170), (820, 484936), (1312, 303085), (1640, 242468), (3280, 121234), (6560, 60617)]