71387016520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1\times {\mathrm{48731}}^1$

素因数の和:49486

約数の個数: 64

約数和(自身を含む): 163891563840

約数和(自身を除く): 92504547320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 691, 1060, 1382, 2120, 2764, 3455, 5528, 6910, 13820, 27640, 36623, 48731, 73246, 97462, 146492, 183115, 194924, 243655, 292984, 366230, 389848, 487310, 732460, 974620, 1464920, 1949240, 2582743, 5165486, 10330972, 12913715, 20661944, 25827430, 33673121, 51654860, 67346242, 103309720, 134692484, 168365605, 269384968, 336731210, 673462420, 1346924840, 1784675413, 3569350826, 7138701652, 8923377065, 14277403304, 17846754130, 35693508260, 71387016520]

約数ペア:

[(1, 71387016520), (2, 35693508260), (4, 17846754130), (5, 14277403304), (8, 8923377065), (10, 7138701652), (20, 3569350826), (40, 1784675413), (53, 1346924840), (106, 673462420), (212, 336731210), (265, 269384968), (424, 168365605), (530, 134692484), (691, 103309720), (1060, 67346242), (1382, 51654860), (2120, 33673121), (2764, 25827430), (3455, 20661944), (5528, 12913715), (6910, 10330972), (13820, 5165486), (27640, 2582743), (36623, 1949240), (48731, 1464920), (73246, 974620), (97462, 732460), (146492, 487310), (183115, 389848), (194924, 366230), (243655, 292984)]