40639300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 97313216

約数和(自身を除く): 56673916

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 727, 860, 1075, 1118, 1300, 1454, 2150, 2236, 2795, 2908, 3635, 4300, 5590, 7270, 9451, 11180, 13975, 14540, 18175, 18902, 27950, 31261, 36350, 37804, 47255, 55900, 62522, 72700, 94510, 125044, 156305, 189020, 236275, 312610, 406393, 472550, 625220, 781525, 812786, 945100, 1563050, 1625572, 2031965, 3126100, 4063930, 8127860, 10159825, 20319650, 40639300]

約数ペア:

[(1, 40639300), (2, 20319650), (4, 10159825), (5, 8127860), (10, 4063930), (13, 3126100), (20, 2031965), (25, 1625572), (26, 1563050), (43, 945100), (50, 812786), (52, 781525), (65, 625220), (86, 472550), (100, 406393), (130, 312610), (172, 236275), (215, 189020), (260, 156305), (325, 125044), (430, 94510), (559, 72700), (650, 62522), (727, 55900), (860, 47255), (1075, 37804), (1118, 36350), (1300, 31261), (1454, 27950), (2150, 18902), (2236, 18175), (2795, 14540), (2908, 13975), (3635, 11180), (4300, 9451), (5590, 7270)]