12955520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 32019840

約数和(自身を除く): 19064320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 653, 992, 1240, 1306, 1984, 2480, 2612, 3265, 3968, 4960, 5224, 6530, 9920, 10448, 13060, 19840, 20243, 20896, 26120, 40486, 41792, 52240, 80972, 83584, 101215, 104480, 161944, 202430, 208960, 323888, 404860, 417920, 647776, 809720, 1295552, 1619440, 2591104, 3238880, 6477760, 12955520]

約数ペア:

[(1, 12955520), (2, 6477760), (4, 3238880), (5, 2591104), (8, 1619440), (10, 1295552), (16, 809720), (20, 647776), (31, 417920), (32, 404860), (40, 323888), (62, 208960), (64, 202430), (80, 161944), (124, 104480), (128, 101215), (155, 83584), (160, 80972), (248, 52240), (310, 41792), (320, 40486), (496, 26120), (620, 20896), (640, 20243), (653, 19840), (992, 13060), (1240, 10448), (1306, 9920), (1984, 6530), (2480, 5224), (2612, 4960), (3265, 3968)]