8045804120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{3671}}^1$

素因数の和:4188

約数の個数: 64

約数和(自身を含む): 18275544000

約数和(自身を除く): 10229739880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 349, 628, 698, 785, 1256, 1396, 1570, 1745, 2792, 3140, 3490, 3671, 6280, 6980, 7342, 13960, 14684, 18355, 29368, 36710, 54793, 73420, 109586, 146840, 219172, 273965, 438344, 547930, 576347, 1095860, 1152694, 1281179, 2191720, 2305388, 2562358, 2881735, 4610776, 5124716, 5763470, 6405895, 10249432, 11526940, 12811790, 23053880, 25623580, 51247160, 201145103, 402290206, 804580412, 1005725515, 1609160824, 2011451030, 4022902060, 8045804120]

約数ペア:

[(1, 8045804120), (2, 4022902060), (4, 2011451030), (5, 1609160824), (8, 1005725515), (10, 804580412), (20, 402290206), (40, 201145103), (157, 51247160), (314, 25623580), (349, 23053880), (628, 12811790), (698, 11526940), (785, 10249432), (1256, 6405895), (1396, 5763470), (1570, 5124716), (1745, 4610776), (2792, 2881735), (3140, 2562358), (3490, 2305388), (3671, 2191720), (6280, 1281179), (6980, 1152694), (7342, 1095860), (13960, 576347), (14684, 547930), (18355, 438344), (29368, 273965), (36710, 219172), (54793, 146840), (73420, 109586)]