40989365

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 53913600

約数和(自身を除く): 12924235

約数列:

[1, 5, 19, 59, 71, 95, 103, 295, 355, 515, 1121, 1349, 1957, 4189, 5605, 6077, 6745, 7313, 9785, 20945, 30385, 36565, 79591, 115463, 138947, 397955, 431467, 577315, 694735, 2157335, 8197873, 40989365]

約数ペア:

[(1, 40989365), (5, 8197873), (19, 2157335), (59, 694735), (71, 577315), (95, 431467), (103, 397955), (295, 138947), (355, 115463), (515, 79591), (1121, 36565), (1349, 30385), (1957, 20945), (4189, 9785), (5605, 7313), (6077, 6745)]