1965601360

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1\times {\mathrm{523}}^1$

素因数の和:1076

約数の個数: 80

約数和(自身を含む): 4631489280

約数和(自身を除く): 2665887920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 431, 436, 523, 545, 862, 872, 1046, 1090, 1724, 1744, 2092, 2155, 2180, 2615, 3448, 4184, 4310, 4360, 5230, 6896, 8368, 8620, 8720, 10460, 17240, 20920, 34480, 41840, 46979, 57007, 93958, 114014, 187916, 225413, 228028, 234895, 285035, 375832, 450826, 456056, 469790, 570070, 751664, 901652, 912112, 939580, 1127065, 1140140, 1803304, 1879160, 2254130, 2280280, 3606608, 3758320, 4508260, 4560560, 9016520, 18033040, 24570017, 49140034, 98280068, 122850085, 196560136, 245700170, 393120272, 491400340, 982800680, 1965601360]

約数ペア:

[(1, 1965601360), (2, 982800680), (4, 491400340), (5, 393120272), (8, 245700170), (10, 196560136), (16, 122850085), (20, 98280068), (40, 49140034), (80, 24570017), (109, 18033040), (218, 9016520), (431, 4560560), (436, 4508260), (523, 3758320), (545, 3606608), (862, 2280280), (872, 2254130), (1046, 1879160), (1090, 1803304), (1724, 1140140), (1744, 1127065), (2092, 939580), (2155, 912112), (2180, 901652), (2615, 751664), (3448, 570070), (4184, 469790), (4310, 456056), (4360, 450826), (5230, 375832), (6896, 285035), (8368, 234895), (8620, 228028), (8720, 225413), (10460, 187916), (17240, 114014), (20920, 93958), (34480, 57007), (41840, 46979)]