4491760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 12874176

約数和(自身を除く): 8382416

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 617, 728, 910, 1040, 1234, 1456, 1820, 2468, 3085, 3640, 4319, 4936, 6170, 7280, 8021, 8638, 9872, 12340, 16042, 17276, 21595, 24680, 32084, 34552, 40105, 43190, 49360, 56147, 64168, 69104, 80210, 86380, 112294, 128336, 160420, 172760, 224588, 280735, 320840, 345520, 449176, 561470, 641680, 898352, 1122940, 2245880, 4491760]

約数ペア:

[(1, 4491760), (2, 2245880), (4, 1122940), (5, 898352), (7, 641680), (8, 561470), (10, 449176), (13, 345520), (14, 320840), (16, 280735), (20, 224588), (26, 172760), (28, 160420), (35, 128336), (40, 112294), (52, 86380), (56, 80210), (65, 69104), (70, 64168), (80, 56147), (91, 49360), (104, 43190), (112, 40105), (130, 34552), (140, 32084), (182, 24680), (208, 21595), (260, 17276), (280, 16042), (364, 12340), (455, 9872), (520, 8638), (560, 8021), (617, 7280), (728, 6170), (910, 4936), (1040, 4319), (1234, 3640), (1456, 3085), (1820, 2468)]