204865180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{60611}}^1$

素因数の和:60646

約数の個数: 36

約数和(自身を含む): 465863832

約数和(自身を除く): 260998652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 60611, 121222, 242444, 303055, 606110, 787943, 1212220, 1575886, 3151772, 3939715, 7879430, 10243259, 15758860, 20486518, 40973036, 51216295, 102432590, 204865180]

約数ペア:

[(1, 204865180), (2, 102432590), (4, 51216295), (5, 40973036), (10, 20486518), (13, 15758860), (20, 10243259), (26, 7879430), (52, 3939715), (65, 3151772), (130, 1575886), (169, 1212220), (260, 787943), (338, 606110), (676, 303055), (845, 242444), (1690, 121222), (3380, 60611)]