55243960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 129002400

約数和(自身を除く): 73758440

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 163, 185, 229, 296, 326, 370, 458, 652, 740, 815, 916, 1145, 1304, 1480, 1630, 1832, 2290, 3260, 4580, 6031, 6520, 8473, 9160, 12062, 16946, 24124, 30155, 33892, 37327, 42365, 48248, 60310, 67784, 74654, 84730, 120620, 149308, 169460, 186635, 241240, 298616, 338920, 373270, 746540, 1381099, 1493080, 2762198, 5524396, 6905495, 11048792, 13810990, 27621980, 55243960]

約数ペア:

[(1, 55243960), (2, 27621980), (4, 13810990), (5, 11048792), (8, 6905495), (10, 5524396), (20, 2762198), (37, 1493080), (40, 1381099), (74, 746540), (148, 373270), (163, 338920), (185, 298616), (229, 241240), (296, 186635), (326, 169460), (370, 149308), (458, 120620), (652, 84730), (740, 74654), (815, 67784), (916, 60310), (1145, 48248), (1304, 42365), (1480, 37327), (1630, 33892), (1832, 30155), (2290, 24124), (3260, 16946), (4580, 12062), (6031, 9160), (6520, 8473)]