72098020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4001}}^1$

素因数の和:4080

約数の個数: 48

約数和(自身を含む): 163377648

約数和(自身を除く): 91279628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4001, 4505, 8002, 9010, 16004, 18020, 20005, 40010, 68017, 80020, 136034, 212053, 272068, 340085, 424106, 680170, 848212, 1060265, 1360340, 2120530, 3604901, 4241060, 7209802, 14419604, 18024505, 36049010, 72098020]

約数ペア:

[(1, 72098020), (2, 36049010), (4, 18024505), (5, 14419604), (10, 7209802), (17, 4241060), (20, 3604901), (34, 2120530), (53, 1360340), (68, 1060265), (85, 848212), (106, 680170), (170, 424106), (212, 340085), (265, 272068), (340, 212053), (530, 136034), (901, 80020), (1060, 68017), (1802, 40010), (3604, 20005), (4001, 18020), (4505, 16004), (8002, 9010)]