65823880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 153673200

約数和(自身を除く): 87849320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 488, 509, 530, 610, 1018, 1060, 1220, 2036, 2120, 2440, 2545, 3233, 4072, 5090, 6466, 10180, 12932, 16165, 20360, 25864, 26977, 31049, 32330, 53954, 62098, 64660, 107908, 124196, 129320, 134885, 155245, 215816, 248392, 269770, 310490, 539540, 620980, 1079080, 1241960, 1645597, 3291194, 6582388, 8227985, 13164776, 16455970, 32911940, 65823880]

約数ペア:

[(1, 65823880), (2, 32911940), (4, 16455970), (5, 13164776), (8, 8227985), (10, 6582388), (20, 3291194), (40, 1645597), (53, 1241960), (61, 1079080), (106, 620980), (122, 539540), (212, 310490), (244, 269770), (265, 248392), (305, 215816), (424, 155245), (488, 134885), (509, 129320), (530, 124196), (610, 107908), (1018, 64660), (1060, 62098), (1220, 53954), (2036, 32330), (2120, 31049), (2440, 26977), (2545, 25864), (3233, 20360), (4072, 16165), (5090, 12932), (6466, 10180)]