87415040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2203}}^1$

素因数の和:2255

約数の個数: 72

約数和(自身を含む): 216238848

約数和(自身を除く): 128823808

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, 2203, 2480, 3968, 4406, 4960, 7936, 8812, 9920, 11015, 17624, 19840, 22030, 35248, 39680, 44060, 68293, 70496, 88120, 136586, 140992, 176240, 273172, 281984, 341465, 352480, 546344, 563968, 682930, 704960, 1092688, 1365860, 1409920, 2185376, 2731720, 2819840, 4370752, 5463440, 8741504, 10926880, 17483008, 21853760, 43707520, 87415040]

約数ペア:

[(1, 87415040), (2, 43707520), (4, 21853760), (5, 17483008), (8, 10926880), (10, 8741504), (16, 5463440), (20, 4370752), (31, 2819840), (32, 2731720), (40, 2185376), (62, 1409920), (64, 1365860), (80, 1092688), (124, 704960), (128, 682930), (155, 563968), (160, 546344), (248, 352480), (256, 341465), (310, 281984), (320, 273172), (496, 176240), (620, 140992), (640, 136586), (992, 88120), (1240, 70496), (1280, 68293), (1984, 44060), (2203, 39680), (2480, 35248), (3968, 22030), (4406, 19840), (4960, 17624), (7936, 11015), (8812, 9920)]