16923520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 41811840

約数和(自身を除く): 24888320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 853, 992, 1240, 1706, 1984, 2480, 3412, 3968, 4265, 4960, 6824, 8530, 9920, 13648, 17060, 19840, 26443, 27296, 34120, 52886, 54592, 68240, 105772, 109184, 132215, 136480, 211544, 264430, 272960, 423088, 528860, 545920, 846176, 1057720, 1692352, 2115440, 3384704, 4230880, 8461760, 16923520]

約数ペア:

[(1, 16923520), (2, 8461760), (4, 4230880), (5, 3384704), (8, 2115440), (10, 1692352), (16, 1057720), (20, 846176), (31, 545920), (32, 528860), (40, 423088), (62, 272960), (64, 264430), (80, 211544), (124, 136480), (128, 132215), (155, 109184), (160, 105772), (248, 68240), (310, 54592), (320, 52886), (496, 34120), (620, 27296), (640, 26443), (853, 19840), (992, 17060), (1240, 13648), (1706, 9920), (1984, 8530), (2480, 6824), (3412, 4960), (3968, 4265)]