12802900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 30873024

約数和(自身を除く): 18070124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 103, 110, 113, 206, 220, 226, 275, 412, 452, 515, 550, 565, 1030, 1100, 1130, 1133, 1243, 2060, 2260, 2266, 2486, 2575, 2825, 4532, 4972, 5150, 5650, 5665, 6215, 10300, 11300, 11330, 11639, 12430, 22660, 23278, 24860, 28325, 31075, 46556, 56650, 58195, 62150, 113300, 116390, 124300, 128029, 232780, 256058, 290975, 512116, 581950, 640145, 1163900, 1280290, 2560580, 3200725, 6401450, 12802900]

約数ペア:

[(1, 12802900), (2, 6401450), (4, 3200725), (5, 2560580), (10, 1280290), (11, 1163900), (20, 640145), (22, 581950), (25, 512116), (44, 290975), (50, 256058), (55, 232780), (100, 128029), (103, 124300), (110, 116390), (113, 113300), (206, 62150), (220, 58195), (226, 56650), (275, 46556), (412, 31075), (452, 28325), (515, 24860), (550, 23278), (565, 22660), (1030, 12430), (1100, 11639), (1130, 11330), (1133, 11300), (1243, 10300), (2060, 6215), (2260, 5665), (2266, 5650), (2486, 5150), (2575, 4972), (2825, 4532)]