12853880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 32810400

約数和(自身を除く): 19956520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1301, 1976, 2470, 2602, 4940, 5204, 6505, 9880, 10408, 13010, 16913, 24719, 26020, 33826, 49438, 52040, 67652, 84565, 98876, 123595, 135304, 169130, 197752, 247190, 321347, 338260, 494380, 642694, 676520, 988760, 1285388, 1606735, 2570776, 3213470, 6426940, 12853880]

約数ペア:

[(1, 12853880), (2, 6426940), (4, 3213470), (5, 2570776), (8, 1606735), (10, 1285388), (13, 988760), (19, 676520), (20, 642694), (26, 494380), (38, 338260), (40, 321347), (52, 247190), (65, 197752), (76, 169130), (95, 135304), (104, 123595), (130, 98876), (152, 84565), (190, 67652), (247, 52040), (260, 49438), (380, 33826), (494, 26020), (520, 24719), (760, 16913), (988, 13010), (1235, 10408), (1301, 9880), (1976, 6505), (2470, 5204), (2602, 4940)]