12912940880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{743833}}^1$

素因数の和:743884

約数の個数: 80

約数和(自身を含む): 35418399744

約数和(自身を除く): 22505458864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 743833, 1487666, 2975332, 3719165, 5206831, 5950664, 7438330, 10413662, 11901328, 14876660, 20827324, 23058823, 26034155, 29753320, 41654648, 46117646, 52068310, 59506640, 83309296, 92235292, 104136620, 115294115, 161411761, 184470584, 208273240, 230588230, 322823522, 368941168, 416546480, 461176460, 645647044, 807058805, 922352920, 1291294088, 1614117610, 1844705840, 2582588176, 3228235220, 6456470440, 12912940880]

約数ペア:

[(1, 12912940880), (2, 6456470440), (4, 3228235220), (5, 2582588176), (7, 1844705840), (8, 1614117610), (10, 1291294088), (14, 922352920), (16, 807058805), (20, 645647044), (28, 461176460), (31, 416546480), (35, 368941168), (40, 322823522), (56, 230588230), (62, 208273240), (70, 184470584), (80, 161411761), (112, 115294115), (124, 104136620), (140, 92235292), (155, 83309296), (217, 59506640), (248, 52068310), (280, 46117646), (310, 41654648), (434, 29753320), (496, 26034155), (560, 23058823), (620, 20827324), (868, 14876660), (1085, 11901328), (1240, 10413662), (1736, 7438330), (2170, 5950664), (2480, 5206831), (3472, 3719165), (4340, 2975332), (8680, 1487666), (17360, 743833)]