40697905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 53654400

約数和(自身を除く): 12956495

約数列:

[1, 5, 19, 53, 59, 95, 137, 265, 295, 685, 1007, 1121, 2603, 3127, 5035, 5605, 7261, 8083, 13015, 15635, 36305, 40415, 59413, 137959, 153577, 297065, 428399, 689795, 767885, 2141995, 8139581, 40697905]

約数ペア:

[(1, 40697905), (5, 8139581), (19, 2141995), (53, 767885), (59, 689795), (95, 428399), (137, 297065), (265, 153577), (295, 137959), (685, 59413), (1007, 40415), (1121, 36305), (2603, 15635), (3127, 13015), (5035, 8083), (5605, 7261)]