54886880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1187}}^1$

素因数の和:1236

約数の個数: 72

約数和(自身を含む): 137862648

約数和(自身を除く): 82975768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1187, 1360, 1445, 2312, 2374, 2720, 2890, 4624, 4748, 5780, 5935, 9248, 9496, 11560, 11870, 18992, 20179, 23120, 23740, 37984, 40358, 46240, 47480, 80716, 94960, 100895, 161432, 189920, 201790, 322864, 343043, 403580, 645728, 686086, 807160, 1372172, 1614320, 1715215, 2744344, 3228640, 3430430, 5488688, 6860860, 10977376, 13721720, 27443440, 54886880]

約数ペア:

[(1, 54886880), (2, 27443440), (4, 13721720), (5, 10977376), (8, 6860860), (10, 5488688), (16, 3430430), (17, 3228640), (20, 2744344), (32, 1715215), (34, 1614320), (40, 1372172), (68, 807160), (80, 686086), (85, 645728), (136, 403580), (160, 343043), (170, 322864), (272, 201790), (289, 189920), (340, 161432), (544, 100895), (578, 94960), (680, 80716), (1156, 47480), (1187, 46240), (1360, 40358), (1445, 37984), (2312, 23740), (2374, 23120), (2720, 20179), (2890, 18992), (4624, 11870), (4748, 11560), (5780, 9496), (5935, 9248)]