39554450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 82780416

約数和(自身を除く): 43225966

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 151, 155, 169, 302, 310, 325, 338, 403, 650, 755, 775, 806, 845, 1510, 1550, 1690, 1963, 2015, 3775, 3926, 4030, 4225, 4681, 5239, 7550, 8450, 9362, 9815, 10075, 10478, 19630, 20150, 23405, 25519, 26195, 46810, 49075, 51038, 52390, 60853, 98150, 117025, 121706, 127595, 130975, 234050, 255190, 261950, 304265, 608530, 637975, 791089, 1275950, 1521325, 1582178, 3042650, 3955445, 7910890, 19777225, 39554450]

約数ペア:

[(1, 39554450), (2, 19777225), (5, 7910890), (10, 3955445), (13, 3042650), (25, 1582178), (26, 1521325), (31, 1275950), (50, 791089), (62, 637975), (65, 608530), (130, 304265), (151, 261950), (155, 255190), (169, 234050), (302, 130975), (310, 127595), (325, 121706), (338, 117025), (403, 98150), (650, 60853), (755, 52390), (775, 51038), (806, 49075), (845, 46810), (1510, 26195), (1550, 25519), (1690, 23405), (1963, 20150), (2015, 19630), (3775, 10478), (3926, 10075), (4030, 9815), (4225, 9362), (4681, 8450), (5239, 7550)]