320120008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 669312000

約数和(自身を除く): 349191992

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 79, 94, 104, 158, 188, 316, 376, 611, 632, 829, 1027, 1222, 1658, 2054, 2444, 3316, 3713, 4108, 4888, 6632, 7426, 8216, 10777, 14852, 21554, 29704, 38963, 43108, 48269, 65491, 77926, 86216, 96538, 130982, 155852, 193076, 261964, 311704, 386152, 506519, 523928, 851383, 1013038, 1702766, 2026076, 3078077, 3405532, 4052152, 6156154, 6811064, 12312308, 24624616, 40015001, 80030002, 160060004, 320120008]

約数ペア:

[(1, 320120008), (2, 160060004), (4, 80030002), (8, 40015001), (13, 24624616), (26, 12312308), (47, 6811064), (52, 6156154), (79, 4052152), (94, 3405532), (104, 3078077), (158, 2026076), (188, 1702766), (316, 1013038), (376, 851383), (611, 523928), (632, 506519), (829, 386152), (1027, 311704), (1222, 261964), (1658, 193076), (2054, 155852), (2444, 130982), (3316, 96538), (3713, 86216), (4108, 77926), (4888, 65491), (6632, 48269), (7426, 43108), (8216, 38963), (10777, 29704), (14852, 21554)]