40350520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 112752000

約数和(自身を除く): 72401480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 173, 196, 238, 245, 280, 340, 343, 346, 392, 476, 490, 595, 680, 686, 692, 833, 865, 952, 980, 1190, 1211, 1372, 1384, 1666, 1715, 1730, 1960, 2380, 2422, 2744, 2941, 3332, 3430, 3460, 4165, 4760, 4844, 5831, 5882, 6055, 6664, 6860, 6920, 8330, 8477, 9688, 11662, 11764, 12110, 13720, 14705, 16660, 16954, 20587, 23324, 23528, 24220, 29155, 29410, 33320, 33908, 41174, 42385, 46648, 48440, 58310, 58820, 59339, 67816, 82348, 84770, 102935, 116620, 117640, 118678, 144109, 164696, 169540, 205870, 233240, 237356, 288218, 296695, 339080, 411740, 474712, 576436, 593390, 720545, 823480, 1008763, 1152872, 1186780, 1441090, 2017526, 2373560, 2882180, 4035052, 5043815, 5764360, 8070104, 10087630, 20175260, 40350520]

約数ペア:

[(1, 40350520), (2, 20175260), (4, 10087630), (5, 8070104), (7, 5764360), (8, 5043815), (10, 4035052), (14, 2882180), (17, 2373560), (20, 2017526), (28, 1441090), (34, 1186780), (35, 1152872), (40, 1008763), (49, 823480), (56, 720545), (68, 593390), (70, 576436), (85, 474712), (98, 411740), (119, 339080), (136, 296695), (140, 288218), (170, 237356), (173, 233240), (196, 205870), (238, 169540), (245, 164696), (280, 144109), (340, 118678), (343, 117640), (346, 116620), (392, 102935), (476, 84770), (490, 82348), (595, 67816), (680, 59339), (686, 58820), (692, 58310), (833, 48440), (865, 46648), (952, 42385), (980, 41174), (1190, 33908), (1211, 33320), (1372, 29410), (1384, 29155), (1666, 24220), (1715, 23528), (1730, 23324), (1960, 20587), (2380, 16954), (2422, 16660), (2744, 14705), (2941, 13720), (3332, 12110), (3430, 11764), (3460, 11662), (4165, 9688), (4760, 8477), (4844, 8330), (5831, 6920), (5882, 6860), (6055, 6664)]