66648920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1913}}^1$

素因数の和:2004

約数の個数: 64

約数和(自身を含む): 163991520

約数和(自身を除く): 97342600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 1913, 2680, 3484, 3826, 4355, 6968, 7652, 8710, 9565, 15304, 17420, 19130, 24869, 34840, 38260, 49738, 76520, 99476, 124345, 128171, 198952, 248690, 256342, 497380, 512684, 640855, 994760, 1025368, 1281710, 1666223, 2563420, 3332446, 5126840, 6664892, 8331115, 13329784, 16662230, 33324460, 66648920]

約数ペア:

[(1, 66648920), (2, 33324460), (4, 16662230), (5, 13329784), (8, 8331115), (10, 6664892), (13, 5126840), (20, 3332446), (26, 2563420), (40, 1666223), (52, 1281710), (65, 1025368), (67, 994760), (104, 640855), (130, 512684), (134, 497380), (260, 256342), (268, 248690), (335, 198952), (520, 128171), (536, 124345), (670, 99476), (871, 76520), (1340, 49738), (1742, 38260), (1913, 34840), (2680, 24869), (3484, 19130), (3826, 17420), (4355, 15304), (6968, 9565), (7652, 8710)]