1645308860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{24623}}^1$

素因数の和:24902

約数の個数: 48

約数和(自身を含む): 3735559296

約数和(自身を除く): 2090250436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 2570, 3341, 5140, 6682, 13364, 16705, 24623, 33410, 49246, 66820, 98492, 123115, 246230, 320099, 492460, 640198, 1280396, 1600495, 3200990, 6328111, 6401980, 12656222, 25312444, 31640555, 63281110, 82265443, 126562220, 164530886, 329061772, 411327215, 822654430, 1645308860]

約数ペア:

[(1, 1645308860), (2, 822654430), (4, 411327215), (5, 329061772), (10, 164530886), (13, 126562220), (20, 82265443), (26, 63281110), (52, 31640555), (65, 25312444), (130, 12656222), (257, 6401980), (260, 6328111), (514, 3200990), (1028, 1600495), (1285, 1280396), (2570, 640198), (3341, 492460), (5140, 320099), (6682, 246230), (13364, 123115), (16705, 98492), (24623, 66820), (33410, 49246)]