78625300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2009

約数の個数: 72

約数和(自身を含む): 189765632

約数和(自身を除く): 111140332

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 1951, 2015, 3100, 3902, 4030, 7804, 8060, 9755, 10075, 19510, 20150, 25363, 39020, 40300, 48775, 50726, 60481, 97550, 101452, 120962, 126815, 195100, 241924, 253630, 302405, 507260, 604810, 634075, 786253, 1209620, 1268150, 1512025, 1572506, 2536300, 3024050, 3145012, 3931265, 6048100, 7862530, 15725060, 19656325, 39312650, 78625300]

約数ペア:

[(1, 78625300), (2, 39312650), (4, 19656325), (5, 15725060), (10, 7862530), (13, 6048100), (20, 3931265), (25, 3145012), (26, 3024050), (31, 2536300), (50, 1572506), (52, 1512025), (62, 1268150), (65, 1209620), (100, 786253), (124, 634075), (130, 604810), (155, 507260), (260, 302405), (310, 253630), (325, 241924), (403, 195100), (620, 126815), (650, 120962), (775, 101452), (806, 97550), (1300, 60481), (1550, 50726), (1612, 48775), (1951, 40300), (2015, 39020), (3100, 25363), (3902, 20150), (4030, 19510), (7804, 10075), (8060, 9755)]