1258814440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{30643}}^1$

素因数の和:30746

約数の個数: 64

約数和(自身を含む): 3088915200

約数和(自身を除く): 1830100760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 8216, 10270, 20540, 30643, 41080, 61286, 122572, 153215, 245144, 306430, 398359, 612860, 796718, 1225720, 1593436, 1991795, 2420797, 3186872, 3983590, 4841594, 7967180, 9683188, 12103985, 15934360, 19366376, 24207970, 31470361, 48415940, 62940722, 96831880, 125881444, 157351805, 251762888, 314703610, 629407220, 1258814440]

約数ペア:

[(1, 1258814440), (2, 629407220), (4, 314703610), (5, 251762888), (8, 157351805), (10, 125881444), (13, 96831880), (20, 62940722), (26, 48415940), (40, 31470361), (52, 24207970), (65, 19366376), (79, 15934360), (104, 12103985), (130, 9683188), (158, 7967180), (260, 4841594), (316, 3983590), (395, 3186872), (520, 2420797), (632, 1991795), (790, 1593436), (1027, 1225720), (1580, 796718), (2054, 612860), (3160, 398359), (4108, 306430), (5135, 245144), (8216, 153215), (10270, 122572), (20540, 61286), (30643, 41080)]