40072240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 102368448

約数和(自身を除く): 62296208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 727, 848, 1040, 1060, 1378, 1454, 2120, 2756, 2908, 3445, 3635, 4240, 5512, 5816, 6890, 7270, 9451, 11024, 11632, 13780, 14540, 18902, 27560, 29080, 37804, 38531, 47255, 55120, 58160, 75608, 77062, 94510, 151216, 154124, 189020, 192655, 308248, 378040, 385310, 500903, 616496, 756080, 770620, 1001806, 1541240, 2003612, 2504515, 3082480, 4007224, 5009030, 8014448, 10018060, 20036120, 40072240]

約数ペア:

[(1, 40072240), (2, 20036120), (4, 10018060), (5, 8014448), (8, 5009030), (10, 4007224), (13, 3082480), (16, 2504515), (20, 2003612), (26, 1541240), (40, 1001806), (52, 770620), (53, 756080), (65, 616496), (80, 500903), (104, 385310), (106, 378040), (130, 308248), (208, 192655), (212, 189020), (260, 154124), (265, 151216), (424, 94510), (520, 77062), (530, 75608), (689, 58160), (727, 55120), (848, 47255), (1040, 38531), (1060, 37804), (1378, 29080), (1454, 27560), (2120, 18902), (2756, 14540), (2908, 13780), (3445, 11632), (3635, 11024), (4240, 9451), (5512, 7270), (5816, 6890)]