11948013880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{445157}}^1$

素因数の和:445240

約数の個数: 64

約数和(自身を含む): 29807779680

約数和(自身を除く): 17859765800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 13420, 26840, 445157, 890314, 1780628, 2225785, 3561256, 4451570, 4896727, 8903140, 9793454, 17806280, 19586908, 24483635, 27154577, 39173816, 48967270, 54309154, 97934540, 108618308, 135772885, 195869080, 217236616, 271545770, 298700347, 543091540, 597400694, 1086183080, 1194801388, 1493501735, 2389602776, 2987003470, 5974006940, 11948013880]

約数ペア:

[(1, 11948013880), (2, 5974006940), (4, 2987003470), (5, 2389602776), (8, 1493501735), (10, 1194801388), (11, 1086183080), (20, 597400694), (22, 543091540), (40, 298700347), (44, 271545770), (55, 217236616), (61, 195869080), (88, 135772885), (110, 108618308), (122, 97934540), (220, 54309154), (244, 48967270), (305, 39173816), (440, 27154577), (488, 24483635), (610, 19586908), (671, 17806280), (1220, 9793454), (1342, 8903140), (2440, 4896727), (2684, 4451570), (3355, 3561256), (5368, 2225785), (6710, 1780628), (13420, 890314), (26840, 445157)]