39979890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3391}}^1$

素因数の和:3535

約数の個数: 48

約数和(自身を含む): 104772096

約数和(自身を除く): 64792206

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3391, 3930, 5895, 6782, 10173, 11790, 16955, 20346, 30519, 33910, 50865, 61038, 101730, 152595, 305190, 444221, 888442, 1332663, 2221105, 2665326, 3997989, 4442210, 6663315, 7995978, 13326630, 19989945, 39979890]

約数ペア:

[(1, 39979890), (2, 19989945), (3, 13326630), (5, 7995978), (6, 6663315), (9, 4442210), (10, 3997989), (15, 2665326), (18, 2221105), (30, 1332663), (45, 888442), (90, 444221), (131, 305190), (262, 152595), (393, 101730), (655, 61038), (786, 50865), (1179, 33910), (1310, 30519), (1965, 20346), (2358, 16955), (3391, 11790), (3930, 10173), (5895, 6782)]