1258571875

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 1889879040

約数和(自身を除く): 631307165

約数列:

[1, 5, 11, 19, 25, 41, 47, 55, 95, 125, 205, 209, 235, 275, 451, 475, 517, 625, 779, 893, 1025, 1045, 1175, 1375, 1927, 2255, 2375, 2585, 3125, 3895, 4465, 5125, 5225, 5875, 6875, 8569, 9635, 9823, 11275, 11875, 12925, 19475, 21197, 22325, 25625, 26125, 29375, 34375, 36613, 42845, 48175, 49115, 56375, 59375, 64625, 97375, 105985, 111625, 128125, 130625, 146875, 183065, 214225, 240875, 245575, 281875, 323125, 402743, 486875, 529925, 558125, 653125, 915325, 1071125, 1204375, 1227875, 1409375, 1615625, 2013715, 2434375, 2649625, 2790625, 4576625, 5355625, 6021875, 6139375, 10068575, 13248125, 22883125, 26778125, 30696875, 50342875, 66240625, 114415625, 251714375, 1258571875]

約数ペア:

[(1, 1258571875), (5, 251714375), (11, 114415625), (19, 66240625), (25, 50342875), (41, 30696875), (47, 26778125), (55, 22883125), (95, 13248125), (125, 10068575), (205, 6139375), (209, 6021875), (235, 5355625), (275, 4576625), (451, 2790625), (475, 2649625), (517, 2434375), (625, 2013715), (779, 1615625), (893, 1409375), (1025, 1227875), (1045, 1204375), (1175, 1071125), (1375, 915325), (1927, 653125), (2255, 558125), (2375, 529925), (2585, 486875), (3125, 402743), (3895, 323125), (4465, 281875), (5125, 245575), (5225, 240875), (5875, 214225), (6875, 183065), (8569, 146875), (9635, 130625), (9823, 128125), (11275, 111625), (11875, 105985), (12925, 97375), (19475, 64625), (21197, 59375), (22325, 56375), (25625, 49115), (26125, 48175), (29375, 42845), (34375, 36613)]