65297960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17939}}^1$

素因数の和:17970

約数の個数: 64

約数和(自身を含む): 180835200

約数和(自身を除く): 115537240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 17939, 35878, 71756, 89695, 125573, 143512, 179390, 233207, 251146, 358780, 466414, 502292, 627865, 717560, 932828, 1004584, 1166035, 1255730, 1632449, 1865656, 2332070, 2511460, 3264898, 4664140, 5022920, 6529796, 8162245, 9328280, 13059592, 16324490, 32648980, 65297960]

約数ペア:

[(1, 65297960), (2, 32648980), (4, 16324490), (5, 13059592), (7, 9328280), (8, 8162245), (10, 6529796), (13, 5022920), (14, 4664140), (20, 3264898), (26, 2511460), (28, 2332070), (35, 1865656), (40, 1632449), (52, 1255730), (56, 1166035), (65, 1004584), (70, 932828), (91, 717560), (104, 627865), (130, 502292), (140, 466414), (182, 358780), (260, 251146), (280, 233207), (364, 179390), (455, 143512), (520, 125573), (728, 89695), (910, 71756), (1820, 35878), (3640, 17939)]