64570480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1394

約数の個数: 80

約数和(自身を含む): 165239424

約数和(自身を除く): 100668944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1321, 1880, 2444, 2642, 3055, 3760, 4888, 5284, 6110, 6605, 9776, 10568, 12220, 13210, 17173, 21136, 24440, 26420, 34346, 48880, 52840, 62087, 68692, 85865, 105680, 124174, 137384, 171730, 248348, 274768, 310435, 343460, 496696, 620870, 686920, 807131, 993392, 1241740, 1373840, 1614262, 2483480, 3228524, 4035655, 4966960, 6457048, 8071310, 12914096, 16142620, 32285240, 64570480]

約数ペア:

[(1, 64570480), (2, 32285240), (4, 16142620), (5, 12914096), (8, 8071310), (10, 6457048), (13, 4966960), (16, 4035655), (20, 3228524), (26, 2483480), (40, 1614262), (47, 1373840), (52, 1241740), (65, 993392), (80, 807131), (94, 686920), (104, 620870), (130, 496696), (188, 343460), (208, 310435), (235, 274768), (260, 248348), (376, 171730), (470, 137384), (520, 124174), (611, 105680), (752, 85865), (940, 68692), (1040, 62087), (1222, 52840), (1321, 48880), (1880, 34346), (2444, 26420), (2642, 24440), (3055, 21136), (3760, 17173), (4888, 13210), (5284, 12220), (6110, 10568), (6605, 9776)]