12993650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 25498368

約数和(自身を除く): 12504718

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 83, 101, 155, 166, 202, 310, 415, 505, 775, 830, 1010, 1550, 2075, 2525, 2573, 3131, 4150, 5050, 5146, 6262, 8383, 12865, 15655, 16766, 25730, 31310, 41915, 64325, 78275, 83830, 128650, 156550, 209575, 259873, 419150, 519746, 1299365, 2598730, 6496825, 12993650]

約数ペア:

[(1, 12993650), (2, 6496825), (5, 2598730), (10, 1299365), (25, 519746), (31, 419150), (50, 259873), (62, 209575), (83, 156550), (101, 128650), (155, 83830), (166, 78275), (202, 64325), (310, 41915), (415, 31310), (505, 25730), (775, 16766), (830, 15655), (1010, 12865), (1550, 8383), (2075, 6262), (2525, 5146), (2573, 5050), (3131, 4150)]