53380340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{929}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 128663640

約数和(自身を除く): 75283300

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 929, 1105, 1690, 1858, 2210, 2873, 3380, 3716, 4420, 4645, 5746, 9290, 11492, 12077, 14365, 15793, 18580, 24154, 28730, 31586, 48308, 57460, 60385, 63172, 78965, 120770, 157001, 157930, 205309, 241540, 314002, 315860, 410618, 628004, 785005, 821236, 1026545, 1570010, 2053090, 2669017, 3140020, 4106180, 5338034, 10676068, 13345085, 26690170, 53380340]

約数ペア:

[(1, 53380340), (2, 26690170), (4, 13345085), (5, 10676068), (10, 5338034), (13, 4106180), (17, 3140020), (20, 2669017), (26, 2053090), (34, 1570010), (52, 1026545), (65, 821236), (68, 785005), (85, 628004), (130, 410618), (169, 315860), (170, 314002), (221, 241540), (260, 205309), (338, 157930), (340, 157001), (442, 120770), (676, 78965), (845, 63172), (884, 60385), (929, 57460), (1105, 48308), (1690, 31586), (1858, 28730), (2210, 24154), (2873, 18580), (3380, 15793), (3716, 14365), (4420, 12077), (4645, 11492), (5746, 9290)]