859366880

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{20899}}^1$

素因数の和:21171

約数の個数: 48

約数和(自身を含む): 2038251600

約数和(自身を除く): 1178884720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 8224, 10280, 20560, 20899, 41120, 41798, 83596, 104495, 167192, 208990, 334384, 417980, 668768, 835960, 1671920, 3343840, 5371043, 10742086, 21484172, 26855215, 42968344, 53710430, 85936688, 107420860, 171873376, 214841720, 429683440, 859366880]

約数ペア:

[(1, 859366880), (2, 429683440), (4, 214841720), (5, 171873376), (8, 107420860), (10, 85936688), (16, 53710430), (20, 42968344), (32, 26855215), (40, 21484172), (80, 10742086), (160, 5371043), (257, 3343840), (514, 1671920), (1028, 835960), (1285, 668768), (2056, 417980), (2570, 334384), (4112, 208990), (5140, 167192), (8224, 104495), (10280, 83596), (20560, 41798), (20899, 41120)]