40406522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 67443600

約数和(自身を除く): 27037078

約数列:

[1, 2, 13, 26, 61, 73, 122, 146, 349, 698, 793, 949, 1586, 1898, 4453, 4537, 8906, 9074, 21289, 25477, 42578, 50954, 57889, 115778, 276757, 331201, 553514, 662402, 1554097, 3108194, 20203261, 40406522]

約数ペア:

[(1, 40406522), (2, 20203261), (13, 3108194), (26, 1554097), (61, 662402), (73, 553514), (122, 331201), (146, 276757), (349, 115778), (698, 57889), (793, 50954), (949, 42578), (1586, 25477), (1898, 21289), (4453, 9074), (4537, 8906)]