79839500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 191528064

約数和(自身を除く): 111688564

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 125, 130, 142, 173, 250, 260, 284, 325, 346, 355, 500, 650, 692, 710, 865, 923, 1300, 1420, 1625, 1730, 1775, 1846, 2249, 3250, 3460, 3550, 3692, 4325, 4498, 4615, 6500, 7100, 8650, 8875, 8996, 9230, 11245, 12283, 17300, 17750, 18460, 21625, 22490, 23075, 24566, 35500, 43250, 44980, 46150, 49132, 56225, 61415, 86500, 92300, 112450, 115375, 122830, 159679, 224900, 230750, 245660, 281125, 307075, 319358, 461500, 562250, 614150, 638716, 798395, 1124500, 1228300, 1535375, 1596790, 3070750, 3193580, 3991975, 6141500, 7983950, 15967900, 19959875, 39919750, 79839500]

約数ペア:

[(1, 79839500), (2, 39919750), (4, 19959875), (5, 15967900), (10, 7983950), (13, 6141500), (20, 3991975), (25, 3193580), (26, 3070750), (50, 1596790), (52, 1535375), (65, 1228300), (71, 1124500), (100, 798395), (125, 638716), (130, 614150), (142, 562250), (173, 461500), (250, 319358), (260, 307075), (284, 281125), (325, 245660), (346, 230750), (355, 224900), (500, 159679), (650, 122830), (692, 115375), (710, 112450), (865, 92300), (923, 86500), (1300, 61415), (1420, 56225), (1625, 49132), (1730, 46150), (1775, 44980), (1846, 43250), (2249, 35500), (3250, 24566), (3460, 23075), (3550, 22490), (3692, 21625), (4325, 18460), (4498, 17750), (4615, 17300), (6500, 12283), (7100, 11245), (8650, 9230), (8875, 8996)]