40073540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1951}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 91822080

約数和(自身を除く): 51748540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 1951, 2054, 3902, 4108, 5135, 7804, 9755, 10270, 19510, 20540, 25363, 39020, 50726, 101452, 126815, 154129, 253630, 308258, 507260, 616516, 770645, 1541290, 2003677, 3082580, 4007354, 8014708, 10018385, 20036770, 40073540]

約数ペア:

[(1, 40073540), (2, 20036770), (4, 10018385), (5, 8014708), (10, 4007354), (13, 3082580), (20, 2003677), (26, 1541290), (52, 770645), (65, 616516), (79, 507260), (130, 308258), (158, 253630), (260, 154129), (316, 126815), (395, 101452), (790, 50726), (1027, 39020), (1580, 25363), (1951, 20540), (2054, 19510), (3902, 10270), (4108, 9755), (5135, 7804)]