139316480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3511}}^1$

素因数の和:3563

約数の個数: 72

約数和(自身を含む): 344569344

約数和(自身を除く): 205252864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3511, 3968, 4960, 7022, 7936, 9920, 14044, 17555, 19840, 28088, 35110, 39680, 56176, 70220, 108841, 112352, 140440, 217682, 224704, 280880, 435364, 449408, 544205, 561760, 870728, 898816, 1088410, 1123520, 1741456, 2176820, 2247040, 3482912, 4353640, 4494080, 6965824, 8707280, 13931648, 17414560, 27863296, 34829120, 69658240, 139316480]

約数ペア:

[(1, 139316480), (2, 69658240), (4, 34829120), (5, 27863296), (8, 17414560), (10, 13931648), (16, 8707280), (20, 6965824), (31, 4494080), (32, 4353640), (40, 3482912), (62, 2247040), (64, 2176820), (80, 1741456), (124, 1123520), (128, 1088410), (155, 898816), (160, 870728), (248, 561760), (256, 544205), (310, 449408), (320, 435364), (496, 280880), (620, 224704), (640, 217682), (992, 140440), (1240, 112352), (1280, 108841), (1984, 70220), (2480, 56176), (3511, 39680), (3968, 35110), (4960, 28088), (7022, 19840), (7936, 17555), (9920, 14044)]