79719680

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1103

約数の個数: 72

約数和(自身を含む): 194274024

約数和(自身を除く): 114554344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1021, 1220, 1280, 1952, 2042, 2440, 3904, 4084, 4880, 5105, 7808, 8168, 9760, 10210, 15616, 16336, 19520, 20420, 32672, 39040, 40840, 62281, 65344, 78080, 81680, 124562, 130688, 163360, 249124, 261376, 311405, 326720, 498248, 622810, 653440, 996496, 1245620, 1306880, 1992992, 2491240, 3985984, 4982480, 7971968, 9964960, 15943936, 19929920, 39859840, 79719680]

約数ペア:

[(1, 79719680), (2, 39859840), (4, 19929920), (5, 15943936), (8, 9964960), (10, 7971968), (16, 4982480), (20, 3985984), (32, 2491240), (40, 1992992), (61, 1306880), (64, 1245620), (80, 996496), (122, 653440), (128, 622810), (160, 498248), (244, 326720), (256, 311405), (305, 261376), (320, 249124), (488, 163360), (610, 130688), (640, 124562), (976, 81680), (1021, 78080), (1220, 65344), (1280, 62281), (1952, 40840), (2042, 39040), (2440, 32672), (3904, 20420), (4084, 19520), (4880, 16336), (5105, 15616), (7808, 10210), (8168, 9760)]