79671800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30643}}^1$

素因数の和:30672

約数の個数: 48

約数和(自身を含む): 199492440

約数和(自身を除く): 119820640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 30643, 61286, 122572, 153215, 245144, 306430, 398359, 612860, 766075, 796718, 1225720, 1532150, 1593436, 1991795, 3064300, 3186872, 3983590, 6128600, 7967180, 9958975, 15934360, 19917950, 39835900, 79671800]

約数ペア:

[(1, 79671800), (2, 39835900), (4, 19917950), (5, 15934360), (8, 9958975), (10, 7967180), (13, 6128600), (20, 3983590), (25, 3186872), (26, 3064300), (40, 1991795), (50, 1593436), (52, 1532150), (65, 1225720), (100, 796718), (104, 766075), (130, 612860), (200, 398359), (260, 306430), (325, 245144), (520, 153215), (650, 122572), (1300, 61286), (2600, 30643)]