40974920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2399}}^1$

素因数の和:2478

約数の個数: 64

約数和(自身を含む): 107136000

約数和(自身を除く): 66161080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2399, 2440, 3416, 4270, 4798, 8540, 9596, 11995, 16793, 17080, 19192, 23990, 33586, 47980, 67172, 83965, 95960, 134344, 146339, 167930, 292678, 335860, 585356, 671720, 731695, 1024373, 1170712, 1463390, 2048746, 2926780, 4097492, 5121865, 5853560, 8194984, 10243730, 20487460, 40974920]

約数ペア:

[(1, 40974920), (2, 20487460), (4, 10243730), (5, 8194984), (7, 5853560), (8, 5121865), (10, 4097492), (14, 2926780), (20, 2048746), (28, 1463390), (35, 1170712), (40, 1024373), (56, 731695), (61, 671720), (70, 585356), (122, 335860), (140, 292678), (244, 167930), (280, 146339), (305, 134344), (427, 95960), (488, 83965), (610, 67172), (854, 47980), (1220, 33586), (1708, 23990), (2135, 19192), (2399, 17080), (2440, 16793), (3416, 11995), (4270, 9596), (4798, 8540)]