28587680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 75841920

約数和(自身を除く): 47254240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 148, 160, 176, 185, 220, 296, 352, 370, 407, 439, 440, 592, 740, 814, 878, 880, 1184, 1480, 1628, 1756, 1760, 2035, 2195, 2960, 3256, 3512, 4070, 4390, 4829, 5920, 6512, 7024, 8140, 8780, 9658, 13024, 14048, 16243, 16280, 17560, 19316, 24145, 32486, 32560, 35120, 38632, 48290, 64972, 65120, 70240, 77264, 81215, 96580, 129944, 154528, 162430, 178673, 193160, 259888, 324860, 357346, 386320, 519776, 649720, 714692, 772640, 893365, 1299440, 1429384, 1786730, 2598880, 2858768, 3573460, 5717536, 7146920, 14293840, 28587680]

約数ペア:

[(1, 28587680), (2, 14293840), (4, 7146920), (5, 5717536), (8, 3573460), (10, 2858768), (11, 2598880), (16, 1786730), (20, 1429384), (22, 1299440), (32, 893365), (37, 772640), (40, 714692), (44, 649720), (55, 519776), (74, 386320), (80, 357346), (88, 324860), (110, 259888), (148, 193160), (160, 178673), (176, 162430), (185, 154528), (220, 129944), (296, 96580), (352, 81215), (370, 77264), (407, 70240), (439, 65120), (440, 64972), (592, 48290), (740, 38632), (814, 35120), (878, 32560), (880, 32486), (1184, 24145), (1480, 19316), (1628, 17560), (1756, 16280), (1760, 16243), (2035, 14048), (2195, 13024), (2960, 9658), (3256, 8780), (3512, 8140), (4070, 7024), (4390, 6512), (4829, 5920)]