71961280

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4243}}^1$

素因数の和:4313

約数の個数: 56

約数和(自身を含む): 174632112

約数和(自身を除く): 102670832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1696, 2120, 3392, 4240, 4243, 8480, 8486, 16960, 16972, 21215, 33944, 42430, 67888, 84860, 135776, 169720, 224879, 271552, 339440, 449758, 678880, 899516, 1124395, 1357760, 1799032, 2248790, 3598064, 4497580, 7196128, 8995160, 14392256, 17990320, 35980640, 71961280]

約数ペア:

[(1, 71961280), (2, 35980640), (4, 17990320), (5, 14392256), (8, 8995160), (10, 7196128), (16, 4497580), (20, 3598064), (32, 2248790), (40, 1799032), (53, 1357760), (64, 1124395), (80, 899516), (106, 678880), (160, 449758), (212, 339440), (265, 271552), (320, 224879), (424, 169720), (530, 135776), (848, 84860), (1060, 67888), (1696, 42430), (2120, 33944), (3392, 21215), (4240, 16972), (4243, 16960), (8480, 8486)]