2013165920

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{659}}^1$

素因数の和:1048

約数の個数: 96

約数和(自身を含む): 4856876640

約数和(自身を除く): 2843710720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 313, 488, 610, 626, 659, 976, 1220, 1252, 1318, 1565, 1952, 2440, 2504, 2636, 3130, 3295, 4880, 5008, 5272, 6260, 6590, 9760, 10016, 10544, 12520, 13180, 19093, 21088, 25040, 26360, 38186, 40199, 50080, 52720, 76372, 80398, 95465, 105440, 152744, 160796, 190930, 200995, 206267, 305488, 321592, 381860, 401990, 412534, 610976, 643184, 763720, 803980, 825068, 1031335, 1286368, 1527440, 1607960, 1650136, 2062670, 3054880, 3215920, 3300272, 4125340, 6431840, 6600544, 8250680, 12582287, 16501360, 25164574, 33002720, 50329148, 62911435, 100658296, 125822870, 201316592, 251645740, 402633184, 503291480, 1006582960, 2013165920]

約数ペア:

[(1, 2013165920), (2, 1006582960), (4, 503291480), (5, 402633184), (8, 251645740), (10, 201316592), (16, 125822870), (20, 100658296), (32, 62911435), (40, 50329148), (61, 33002720), (80, 25164574), (122, 16501360), (160, 12582287), (244, 8250680), (305, 6600544), (313, 6431840), (488, 4125340), (610, 3300272), (626, 3215920), (659, 3054880), (976, 2062670), (1220, 1650136), (1252, 1607960), (1318, 1527440), (1565, 1286368), (1952, 1031335), (2440, 825068), (2504, 803980), (2636, 763720), (3130, 643184), (3295, 610976), (4880, 412534), (5008, 401990), (5272, 381860), (6260, 321592), (6590, 305488), (9760, 206267), (10016, 200995), (10544, 190930), (12520, 160796), (13180, 152744), (19093, 105440), (21088, 95465), (25040, 80398), (26360, 76372), (38186, 52720), (40199, 50080)]