39489880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 93636000

約数和(自身を除く): 54146120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 472, 577, 580, 590, 1154, 1160, 1180, 1711, 2308, 2360, 2885, 3422, 4616, 5770, 6844, 8555, 11540, 13688, 16733, 17110, 23080, 33466, 34043, 34220, 66932, 68086, 68440, 83665, 133864, 136172, 167330, 170215, 272344, 334660, 340430, 669320, 680860, 987247, 1361720, 1974494, 3948988, 4936235, 7897976, 9872470, 19744940, 39489880]

約数ペア:

[(1, 39489880), (2, 19744940), (4, 9872470), (5, 7897976), (8, 4936235), (10, 3948988), (20, 1974494), (29, 1361720), (40, 987247), (58, 680860), (59, 669320), (116, 340430), (118, 334660), (145, 272344), (232, 170215), (236, 167330), (290, 136172), (295, 133864), (472, 83665), (577, 68440), (580, 68086), (590, 66932), (1154, 34220), (1160, 34043), (1180, 33466), (1711, 23080), (2308, 17110), (2360, 16733), (2885, 13688), (3422, 11540), (4616, 8555), (5770, 6844)]