72290725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 106243200

約数和(自身を除く): 33952475

約数列:

[1, 5, 13, 19, 23, 25, 65, 95, 115, 247, 299, 325, 437, 475, 509, 575, 1235, 1495, 2185, 2545, 5681, 6175, 6617, 7475, 9671, 10925, 11707, 12725, 28405, 33085, 48355, 58535, 125723, 142025, 152191, 165425, 222433, 241775, 292675, 628615, 760955, 1112165, 2891629, 3143075, 3804775, 5560825, 14458145, 72290725]

約数ペア:

[(1, 72290725), (5, 14458145), (13, 5560825), (19, 3804775), (23, 3143075), (25, 2891629), (65, 1112165), (95, 760955), (115, 628615), (247, 292675), (299, 241775), (325, 222433), (437, 165425), (475, 152191), (509, 142025), (575, 125723), (1235, 58535), (1495, 48355), (2185, 33085), (2545, 28405), (5681, 12725), (6175, 11707), (6617, 10925), (7475, 9671)]