42018400

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1064

約数の個数: 72

約数和(自身を含む): 104618304

約数和(自身を除く): 62599904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 530, 800, 848, 991, 1060, 1325, 1696, 1982, 2120, 2650, 3964, 4240, 4955, 5300, 7928, 8480, 9910, 10600, 15856, 19820, 21200, 24775, 31712, 39640, 42400, 49550, 52523, 79280, 99100, 105046, 158560, 198200, 210092, 262615, 396400, 420184, 525230, 792800, 840368, 1050460, 1313075, 1680736, 2100920, 2626150, 4201840, 5252300, 8403680, 10504600, 21009200, 42018400]

約数ペア:

[(1, 42018400), (2, 21009200), (4, 10504600), (5, 8403680), (8, 5252300), (10, 4201840), (16, 2626150), (20, 2100920), (25, 1680736), (32, 1313075), (40, 1050460), (50, 840368), (53, 792800), (80, 525230), (100, 420184), (106, 396400), (160, 262615), (200, 210092), (212, 198200), (265, 158560), (400, 105046), (424, 99100), (530, 79280), (800, 52523), (848, 49550), (991, 42400), (1060, 39640), (1325, 31712), (1696, 24775), (1982, 21200), (2120, 19820), (2650, 15856), (3964, 10600), (4240, 9910), (4955, 8480), (5300, 7928)]