22440680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 54438480

約数和(自身を除く): 31997800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 541, 610, 680, 1037, 1082, 1220, 2074, 2164, 2440, 2705, 4148, 4328, 5185, 5410, 8296, 9197, 10370, 10820, 18394, 20740, 21640, 33001, 36788, 41480, 45985, 66002, 73576, 91970, 132004, 165005, 183940, 264008, 330010, 367880, 561017, 660020, 1122034, 1320040, 2244068, 2805085, 4488136, 5610170, 11220340, 22440680]

約数ペア:

[(1, 22440680), (2, 11220340), (4, 5610170), (5, 4488136), (8, 2805085), (10, 2244068), (17, 1320040), (20, 1122034), (34, 660020), (40, 561017), (61, 367880), (68, 330010), (85, 264008), (122, 183940), (136, 165005), (170, 132004), (244, 91970), (305, 73576), (340, 66002), (488, 45985), (541, 41480), (610, 36788), (680, 33001), (1037, 21640), (1082, 20740), (1220, 18394), (2074, 10820), (2164, 10370), (2440, 9197), (2705, 8296), (4148, 5410), (4328, 5185)]