28259660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 71717184

約数和(自身を除く): 43457524

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 41, 44, 52, 55, 65, 82, 110, 130, 143, 164, 205, 220, 241, 260, 286, 410, 451, 482, 533, 572, 715, 820, 902, 964, 1066, 1205, 1430, 1804, 2132, 2255, 2410, 2651, 2665, 2860, 3133, 4510, 4820, 5302, 5330, 5863, 6266, 9020, 9881, 10604, 10660, 11726, 12532, 13255, 15665, 19762, 23452, 26510, 29315, 31330, 34463, 39524, 49405, 53020, 58630, 62660, 68926, 98810, 108691, 117260, 128453, 137852, 172315, 197620, 217382, 256906, 344630, 434764, 513812, 543455, 642265, 689260, 1086910, 1284530, 1412983, 2173820, 2569060, 2825966, 5651932, 7064915, 14129830, 28259660]

約数ペア:

[(1, 28259660), (2, 14129830), (4, 7064915), (5, 5651932), (10, 2825966), (11, 2569060), (13, 2173820), (20, 1412983), (22, 1284530), (26, 1086910), (41, 689260), (44, 642265), (52, 543455), (55, 513812), (65, 434764), (82, 344630), (110, 256906), (130, 217382), (143, 197620), (164, 172315), (205, 137852), (220, 128453), (241, 117260), (260, 108691), (286, 98810), (410, 68926), (451, 62660), (482, 58630), (533, 53020), (572, 49405), (715, 39524), (820, 34463), (902, 31330), (964, 29315), (1066, 26510), (1205, 23452), (1430, 19762), (1804, 15665), (2132, 13255), (2255, 12532), (2410, 11726), (2651, 10660), (2665, 10604), (2860, 9881), (3133, 9020), (4510, 6266), (4820, 5863), (5302, 5330)]