20236420100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{104473}}^1$

素因数の和:104649

約数の個数: 72

約数和(自身を含む): 47608801800

約数和(自身を除く): 27372381700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 149, 260, 298, 325, 596, 650, 745, 1300, 1490, 1937, 2980, 3725, 3874, 7450, 7748, 9685, 14900, 19370, 38740, 48425, 96850, 104473, 193700, 208946, 417892, 522365, 1044730, 1358149, 2089460, 2611825, 2716298, 5223650, 5432596, 6790745, 10447300, 13581490, 15566477, 27162980, 31132954, 33953725, 62265908, 67907450, 77832385, 135814900, 155664770, 202364201, 311329540, 389161925, 404728402, 778323850, 809456804, 1011821005, 1556647700, 2023642010, 4047284020, 5059105025, 10118210050, 20236420100]

約数ペア:

[(1, 20236420100), (2, 10118210050), (4, 5059105025), (5, 4047284020), (10, 2023642010), (13, 1556647700), (20, 1011821005), (25, 809456804), (26, 778323850), (50, 404728402), (52, 389161925), (65, 311329540), (100, 202364201), (130, 155664770), (149, 135814900), (260, 77832385), (298, 67907450), (325, 62265908), (596, 33953725), (650, 31132954), (745, 27162980), (1300, 15566477), (1490, 13581490), (1937, 10447300), (2980, 6790745), (3725, 5432596), (3874, 5223650), (7450, 2716298), (7748, 2611825), (9685, 2089460), (14900, 1358149), (19370, 1044730), (38740, 522365), (48425, 417892), (96850, 208946), (104473, 193700)]