39226640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 97225920

約数和(自身を除く): 57999280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 197, 262, 304, 380, 394, 524, 655, 760, 788, 985, 1048, 1310, 1520, 1576, 1970, 2096, 2489, 2620, 3152, 3743, 3940, 4978, 5240, 7486, 7880, 9956, 10480, 12445, 14972, 15760, 18715, 19912, 24890, 25807, 29944, 37430, 39824, 49780, 51614, 59888, 74860, 99560, 103228, 129035, 149720, 199120, 206456, 258070, 299440, 412912, 490333, 516140, 980666, 1032280, 1961332, 2064560, 2451665, 3922664, 4903330, 7845328, 9806660, 19613320, 39226640]

約数ペア:

[(1, 39226640), (2, 19613320), (4, 9806660), (5, 7845328), (8, 4903330), (10, 3922664), (16, 2451665), (19, 2064560), (20, 1961332), (38, 1032280), (40, 980666), (76, 516140), (80, 490333), (95, 412912), (131, 299440), (152, 258070), (190, 206456), (197, 199120), (262, 149720), (304, 129035), (380, 103228), (394, 99560), (524, 74860), (655, 59888), (760, 51614), (788, 49780), (985, 39824), (1048, 37430), (1310, 29944), (1520, 25807), (1576, 24890), (1970, 19912), (2096, 18715), (2489, 15760), (2620, 14972), (3152, 12445), (3743, 10480), (3940, 9956), (4978, 7880), (5240, 7486)]